100-01 Medicare General Information, Eligibility and Entitlement Manual: Chapter 3 - Deductibles, Coinsurance Amounts and Payment Limitations

us-cms-medicare-manuals-pub-100-01-ge101c03100-01 Medicare General Information, Eligibility and Entitlement Manual: Chapter 3 - Deductibles, Coinsurance Amounts and Payment LimitationsGuidance

Medicare General Information, Eligibility, and
Entitlement
Chapter 3 - Deductibles, Coinsurance Amounts, and Payment
Limitations
Table of Contents
(Rev. 12980; Issued: 11-25-24)
Transmittals for Chapter 3
10 - Hospital Insurance (Part A)
10.1 - Inpatient Hospital Deductible
10.2 - Coinsurance
10.2.1 - Inpatient Services
10.2.2 - Durable Medical Equipment (DME) Furnished as a Home Health Benefit
10.3 - Basis for Determining the Part A Coinsurance Amounts
10.4 - Benefit Period (Spell of Illness)
10.4.1 - Starting a Benefit Period
10.4.2 - Ending a Benefit Period
10.4.3 - Definition of Hospital or SNF for Ending a Benefit Period
10.4.3.1 - Hospital Stay and End of Benefit Period
10.4.3.2 - SNF Stay and End of Benefit Period
10.4.4 - Definition of Inpatient for Ending a Benefit Period
20 - Supplementary Medical Insurance (SMI) (Part B)
20.1 - Supplementary Medical Insurance Incurred Expenses
20.2 - Part B Annual Deductible
20.3 - Part B Coinsurance
20.4 - Exceptions to Annual Deductible and Coinsurance
20.4.1 - Applications of Deductible and Coinsurance in Liability and Indemnification
Situations
20.5 - Blood Deductibles (Part A and Part B)
20.5.1 - Part A Blood Deductible
20.5.2 - Part B Blood Deductible
20.5.3 - Items Subject to Blood Deductibles
20.5.4 - Obligations of the Beneficiary to Pay for or Replace Deductible Blood
20.5.4.1 - Replacement of Blood
20.6 - Part B Premium
30 - Outpatient Mental Health Treatment Limitation
40 - Limitation on Physical Therapy, Occupational Therapy and Speech-Language Pathology Services
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10 - Hospital Insurance (Part A)
10.1 - Inpatient Hospital Deductible
(Rev. 1, 09-11-02)
The patient is responsible for a deductible amount for inpatient hospital services in each benefit period. For each
year after 1991, the Secretary of the Department of Health and Human Services (DHHS) is required to set the
deductible and coinsurance amounts between September 1 and September 15 of the preceding year. The
deductible will be set at an amount equal to the deductible for the preceding year, changed by the same
percentage as applies to PPS payment rates, and adjusted to reflect changes in real case mix. The deductible and
coinsurance amounts are shown in the chart in §10.3 of this chapter.
The coinsurance amount is based on the deductible applicable for the calendar year in which the coinsurance
days occur. The deductible is satisfied only by charges for covered Part A services. Expenses for covered
services count toward the deductible on an incurred, rather than paid, basis. Expenses incurred in one benefit
period cannot be applied toward the deductible in a later benefit period. Expenses incurred in meeting the blood
deductible do not count toward the inpatient hospital deductible.
A reduction in benefit days resulting from confinement in a psychiatric hospital, on and immediately preceding
the date of entitlement, does not affect the amount of the deductible for which the patient is responsible.
If the actual charge is less than the deductible and the customary charge, the customary charge is applied to the
deductible.
A beneficiary is not responsible for payment of the deductible for an inpatient stay if the provider has been
determined to be liable because the care was not medically necessary or because the care provided was custodial.
10.2 - Coinsurance
(Rev. 1, 09-11-02)
The following subsections describe coinsurance.
10.2.1 - Inpatient Services
(Rev. 1, 09-11-02)
In each benefit period, the patient is responsible for coinsurance amounts equal to:
• 	One-fourth of the inpatient hospital deductible for each day of inpatient hospital services from the 61st
through the 90th days;
• 	One-half of the inpatient hospital deductible for each lifetime reserve day (the 91st through the 150th
days of inpatient hospital services); and
• 	One-eighth of the inpatient hospital deductible for each day of extended care services from the 21st
through the 100th days. A beneficiary is not responsible for payment of the coinsurance for a stay if the
provider has been determined to be liable because the care was not medically necessary or because the
care provided was custodial.
Use the chart in §10.3 of this chapter to determine the applicable coinsurance amounts.
Where the actual charge to the patient for the 61st through the 90th days of inpatient hospital services is less than
the applicable coinsurance amount, the coinsurance is the actual charge per day. Where the actual charge to the
patient for lifetime reserve days is less than the coinsurance amount for those days, the beneficiary may be
deemed to have elected not to use the days because he/she would not benefit from their utilization.
10.2.2 - Durable Medical Equipment (DME) Furnished as a Home Health Benefit
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(Rev. 1, 09-11-02)
The patient is responsible for 20 percent of the payment amount for DME furnished as a home health benefit.
10.3 - Basis for Determining the Part A Coinsurance Amounts
(Rev. 12980; Issued:11-25-24; Effective: 01-01-25; Implementation: 01-06-25)
The applicable inpatient deductible is the one in effect during the calendar year in which the patient's benefit
period begins (i.e., in most cases, the year in which the first inpatient hospital services are furnished in the
benefit period). Except for 1989, the coinsurance amount is based on the deductible applicable for the
calendar year in which the coinsurance days occur.
When Deductible and/or Coinsurance Are Applicable for Part A
Inpatient Hospital- First 60 Days 	Deductible applicable equal to national average cost per
day
Inpatient Hospital- 61st thru 90th Day 	Coinsurance per day always equal to 1/4 of inpatient
hospital deductible
Inpatient Hospital- 60 Lifetime Reserve Days
(nonrenewable) - 91st thru 150th day
Coinsurance always equal to 1/2 of inpatient hospital
deductible
Skilled Nursing Facility
21st thru 100th Day
Coinsurance always equal to 1/8 of inpatient hospital
deductible
Home Health Agency No Deductible No Coinsurance (except for 20 percent
coinsurance for DME and prosthetics/ orthotics)
Blood 	1st 3 pints (or equivalent units of packed red blood cells)
in a calendar year - combined Part A and B
Hospice *
a. Drugs and Biologicals
b. Respite Care
a. 5 percent of the cost determined by the drug copayment
schedule (may not exceed $5 per prescription)
b. 5 percent of the payment for a respite care day
*Hospices may charge coinsurance for two services only, drugs and biologicals, and respite care. The
amount of coinsurance for each prescription may not exceed $5.00. The amount for respite care may not
exceed the inpatient deductible for the year in which the hospital coinsurance period began.
Deductible and Coinsurance Amounts
Year 	Part A
Deductible,
1st 60 Days
Part A
Coinsurance,
61st- 90th Days
Part A
Coinsurance,
60 Lifetime Reserve
Days
Part A
SNF Coinsurance
21st- 100th Days
1986 	$492 	123 	246 	61.50
1987 	520 	130 	260 	65.00
1988 	540 	135 	270 	67.50
1989 	560 	0 (1) 	0 (1) 	0(2)
1990 	592 	148 	296 	74.00
1991 	628 	157 	314 	78.50
1992 	652 	163 	326 	81.50
1993 	676 	169 	338 	84.50
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1994 	696 	174 	348 	87.00
1995 	716 	179 	358 	89.50
1996 	736 	184 	368 	92.00
1997 	760 	190 	380 	92.00
1998 	764 	191 	382 	95.50
1999 	768 	192 	384 	96.00
2000 	776 	194 	388 	97.00
2001 	792 	198 	396 	99.00
2002 	812 	203 	406 	101.50
2003 	840 	210 	420 	105.00
2004 	876 	219 	438 	109.50
2005 	912 	228 	456 	114.00
2006 	952 	238 	476 	119.00
2007 	992 	248 	496 	124.00
2008 	1,024 	256 	512 	128.00
2009 	1,068 	267 	534 	133.50
2010 	1,100 	275 	550 	137.50
2011 	1,132 	283 	566 	141.50
2012 	1,156 	289 	578 	144.50
2013 	1,184 	296 	592 	148.00
2014 	1,216 	304 	608 	152.00
2015 	1,260 	315 	630 	157.50
2016 	1,288 	322 	644 	161.00
2017 	1,316 	329 	658 	164.50
2018 	1,340 	335 	670 	167.50
2019 	1364 	341 	682 	170.50
2020 	1,408 	352 	704 	176.00
2021 	1,484 	371 	742 	185.50
2022 	1,556 	389 	778 	194.50
2023 	1,600 	400 	800 	200.00
2024 	1,632 	408 	816 	204.00
2025 	1,676 	419 	838 	209.50
1. Coinsurance was not charged for inpatient hospital care in CY 1989 due to
Catastrophic Coverage. The deductible was applied.
2. Under Catastrophic Coverage, a coinsurance payment of $25.50 was due for
days 1-8 of SNF care. No SNF coinsurance was due after day 8 in 1989.
10.4 - Benefit Period (Spell of Illness)
(Rev. 1, 09-11-02)
A benefit period is a period of time for measuring the use of hospital insurance benefits.
It is a period of consecutive days during which covered services furnished to a patient, up
to certain specified maximum amounts, may be paid for by the hospital insurance plan.
For example, a patient is eligible for 90 days of hospital care in a benefit period and 100
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days of extended care services during the same benefit period. A patient may be eligible
for as many as l50 days of hospital care in a benefit period if he/she draws on his/her
lifetime reserve. As long as a person continues to be entitled to hospital insurance, there
is no limit on the number of benefit periods he/she may have. The term "benefit period"
is synonymous with spell of illness. Since the term "spell of illness" could connote a
single illness or a particular "spell" of sickness, the term benefit period is used in
communications with the public.
10.4.1 - Starting a Benefit Period
(Rev. 80, Issued: 10-26-12, Effective: 04-01-13, Implementation: 04-01-13)
A benefit period begins with the first day (not included in a previous benefit period) on
which a patient is furnished inpatient hospital or extended care services by a qualified
provider in a month for which the patient is entitled to hospital insurance benefits.
A provider qualified to start a benefit period is a hospital (including a psychiatric
hospital) or SNF that meets all the requirements of the definition of such an institution.
A hospital which meets all requirements in Chapter 5, §20 of this manual is also a
qualified hospital for purposes of beginning a benefit period when it furnishes the patient
covered inpatient emergency services. Thus, generally, the benefit period begins when
covered inpatient services are initially furnished to an entitled individual. However, the
noncovered services furnished by a nonparticipating provider can begin a spell of illness
only if the provider is a qualified provider. A qualified provider is a hospital (including a
psychiatric hospital) or a SNF which meets all requirements in the definition of such an
institution even though it may not be participating. A qualified hospital in Canada or
Mexico is also a qualified provider for purposes of beginning a benefit period when it
furnishes covered inpatient hospital services. If a person is in a nonqualified institution
and is subsequently transferred to a qualified hospital (general or psychiatric), his/her
benefit period begins on admission to the qualified hospital.
Admission to a qualified SNF or to the SNF level of care in a swing-bed hospital begins a
benefit period even though payment for the services cannot be made because the prior
hospitalization or thirty-day transfer requirement has not been met. It is also worth
noting that the SNF benefit’s “thirty-day” transfer requirement has a medical
appropriateness exception (described in Pub. 100-02, Medicare Benefit Policy Manual,
chapter 8, section 20.2.2), under which the allowable interval between a beneficiary’s
discharge from a qualifying prior hospitalization and the initiation of SNF care can
exceed the normal 30-day timeframe; moreover, in a situation where the allowable
interval under this exception is 60 days or longer, the subsequent commencement of
extended care services in the SNF would serve to trigger the start of a new benefit period.
Inpatient care in a Religious Non-Medical Health Care Institution (whether as hospital or
extended care services) can begin or prolong a benefit period.
10.4.2 - Ending a Benefit Period
(Rev. 80, Issued: 10-26-12, Effective: 04-01-13, Implementation: 04-01-13)
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The benefit period ends with the close of a period of 60 consecutive days during which
the patient was neither an inpatient of a hospital nor of a SNF. To determine the 60
consecutive day period, begin counting with the day the individual was discharged. (See
§10.4.3.2 of this chapter for determining the end of a benefit period when an individual
remains in a SNF.)
As noted in section 10.4, the term “benefit period” is synonymous with spell of illness.
However, the statutory language (at §1861(a) of the Social Security Act) that describes a
benefit period as a “spell of illness” is sometimes misunderstood to mean that a benefit
period is linked to a particular medical episode or type of condition, so that the onset of a
new and entirely unrelated condition could serve to end a benefit period even in the
absence of a 60-day break in the beneficiary’s “inpatient” status. In fact, the onset of a
new condition is not, in itself, relevant to the ending of a benefit period, which can occur
only through a 60-day break in inpatient status, as described above.
10.4.3 - Definition of Hospital or SNF for Ending a Benefit Period
(Rev.10880, Issued: 08-06-21, Effective: 11-08- 21, Implementation: 11-08-21)
It is important to note that a benefit period cannot end while a beneficiary is an inpatient
(see §10.4.4) of an institution that meets the basic definition of a “hospital” at
§1861(e)(1) of the Social Security Act (the Act), even if the hospital does not meet all of
the additional requirements that are necessary for starting a benefit period, as discussed
further in §10.4.3.1 below (see also §1861(e) following (9) of the Act and the regulations
at 42 CFR 409.60(b)(1)). Similarly, a benefit period cannot end while a beneficiary is an
inpatient (see §10.4.4) of an institution that meets the basic definition of a “SNF” at
§1819(a)(1) of the Act, as discussed further in §10.4.3.2 below.
As noted in §2164 of the State Operations Manual (Pub. 100-07), Chapter 2, all hospitals
and SNFs that are Medicare-certified are automatically considered to meet the applicable
basic definition in this context by reason of the Medicare certification itself. Moreover,
even an institution (or portion of an institution) that is not certified for Medicare can
serve to prolong an inpatient’s benefit period if it meets either the basic “hospital” or
“SNF” definition discussed above.
10.4.3.1 - Hospital Stay and End of Benefit Period
(Rev. 1, 09-11-02)
In order to end a benefit period, for at least 60 consecutive days, a beneficiary cannot
have been in a hospital which meets the initial requirement in the definitions in Chapter
5, §20.1 through §20.7 of this publication. That is, the beneficiary cannot have been in a
facility that is primarily engaged in providing, by or under the supervision of a
physician(s), to inpatients:
• 	Diagnostic and therapeutic services for medical diagnosis, treatment, and care of
injured, disabled, or sick persons or rehabilitation services for injured, disabled, or
sick persons; or
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• 	Psychiatric services for the diagnosis and treatment of mentally ill persons. A
stay in a hospital outside the United States prolongs a benefit period. It may be
assumed, in the absence of evidence to the contrary, that:
• 	A foreign hospital in which a beneficiary spent one or more days meets the
requirement of the definition in Chapter 5, §20 of this manual; and
• 	The beneficiary's statement about length and place of stay is correct.
10.4.3.2 - SNF Stay and End of Benefit Period
(Rev.10880, Issued: 08-06-21, Effective: 11-08- 21, Implementation: 11-08-21
Similarly, to end a benefit period, a beneficiary cannot have been an inpatient (see
§10.4.4) of a SNF for at least 60 consecutive days; where SNF is defined in accordance
with §§1861(a)(2) and 1819(a)(1) of the Social Security Act as a facility which is
primarily engaged in providing skilled nursing care and related services to residents who
require medical or nursing care, or rehabilitation services for the rehabilitation of injured,
disabled, or sick persons. As indicated above in §10.4.3, all Medicare-certified SNFs
(including Medicare-certified distinct part SNFs) are automatically considered to meet
this basic “SNF” definition by reason of the Medicare certification itself. See §2166 of
the State Operations Manual (Pub. 100-07), Chapter 2, for the administrative criteria used
in determining whether the basic “SNF” definition is met by a nursing home that is not
Medicare-certified (including the noncertified portion of an institution that also contains a
Medicare-certified distinct part SNF).
Examples: An individual may be discharged from and readmitted to a hospital or SNF
several times during a benefit period and still be in the same benefit period if 60
consecutive days have not elapsed between discharge and readmission. The stays need
not be for related physical or mental conditions.
Example 1: X was born 8/9/1936. On 7/28/2001, X entered a participating general
hospital. After he/she had been in the hospital for 2 weeks, X was discharged on
8/11/2001. On his/her doctor’s orders, X entered a participating SNF on 8/15/2001, and
remained an inpatient there (see §10.4.4) until his/her discharge on 10/27/2001. He/she
had no further inpatient stays in 2001.
X’s benefit period began on 8/1/2001, the first day of the month he/she attained age 65
and was entitled to hospital insurance. The benefit period ended 12/25/2001, the end of
the 60-day period beginning with the date of his/her last discharge.
Example 2: Y, over age 65, entered a participating general hospital on 8/28/2000 for
treatment of a heart condition. He/she was discharged on 9/11/2000. On 10/3/2000, Y
entered a Medicaid-only nursing facility, and remained an inpatient of this facility (see
§10.4.4) until his/her discharge on 11/17/2000. On 12/26/2000, Y was again admitted to a
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participating hospital because of injuries suffered in an accident. He/she was discharged
on 1/13/2001 and had no further inpatient stays in 2001.
Y’s benefit period began on 8/28/2000. His/her stay in the nursing facility began less
than 60 days after his/her hospital stay and the benefit period was continued because
he/she remained an inpatient there (see §10.4.4) even though Medicare did not cover the
stay. The subsequent hospital stay began less than 60 days after the nursing facility stay
and continued the benefit period although the condition treated was unrelated to his/her
prior stays. The benefit period ended on 3/14/2001, the end of the 60-day period
beginning with the day of last discharge.
Example 3: Z, over age 65 and entitled to hospital insurance benefits, was admitted to
General Hospital on 8/l/2000 and discharged on 8/10/2000, having received
nonemergency hospital services. General Hospital met all the requirements in the
definition of a hospital except those concerning utilization review and health and safety.
While General Hospital met the minimum requirements of an emergency hospital, Z’s
benefit period did not begin with his/her admission to this hospital because:
1. 	The hospital did not meet all of the requirements in the definition of a hospital;
and
2. 	Although the hospital satisfied the minimum requirements for coverage of
emergency services, Z did not receive emergency inpatient care there.
(As noted previously, a stay in an emergency hospital does not begin a benefit period
unless it actually involves the receipt of covered inpatient emergency services; by
contrast, even a nonemergency stay in such a hospital can serve as a qualifying hospital
stay for purposes of coverage under the posthospital extended care benefit.) Z was
admitted to Haven Convalescent Home on 8/20/2000 and remained an inpatient of the
home (see §10.4.4) until his/her discharge on 3/1/2001. He/she had no further inpatient
stays in 2001. Haven Convalescent Home became a participating SNF on 1/1/2001.
Z's benefit period began 1/1/2001, the day Haven Convalescent Home was determined to
be a qualified SNF. The services Z received from that date through discharge were
extended care services even though they were not covered and, therefore, not charged
against Z’s Medicare SNF utilization. (The services were not covered posthospital
extended care services because Z was not admitted to a participating SNF within 30 days
after discharge from the hospital.) Z’s benefit period ended 4/29/2001, the end of the 60-
day period beginning with the date of his discharge from the convalescent home.
10.4.4 - Definition of Inpatient for Ending a Benefit Period
(Rev. 80, Issued: 10-26-12, Effective: 04-01-13, Implementation: 04-01-13)
Generally, a beneficiary is an inpatient of a hospital if the beneficiary is receiving
inpatient services in the hospital (i.e., not on an outpatient basis). The type of care
actually received is not relevant.
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However, a different definition of inpatient applies in determining the end of a benefit
period for a beneficiary in a SNF, under which such a beneficiary is considered an
inpatient in this context only if the beneficiary's care in the SNF meets certain skilled
level of care standards. Specifically, the beneficiary must need and receive a skilled level
of care while in the SNF.
This means that in order to have been an “inpatient” for benefit period purposes while in
a SNF, the beneficiary must have required and received skilled services on a daily basis
which could, as a practical matter, only have been provided in a SNF on an inpatient
basis. (Under the regulations at 42 CFR 409.60(b)(2), an additional level of care criterion
at 42 CFR 409.31(b)(2)--requiring that the SNF care must in some way relate back to a
condition that was present during the beneficiary’s qualifying hospital stay--does not
apply to benefit period determinations.) If these provisions were not met during the prior
SNF stay, the beneficiary was not an inpatient of the SNF for purposes of prolonging the
benefit period. Conversely, a beneficiary would remain an SNF “inpatient” in this
context (thus prolonging his or her current benefit period) for as long as the beneficiary
continues receiving a skilled level of care in the SNF--even if Part A payment has ended
due to the beneficiary’s exhaustion of SNF benefits.
Use the following presumptions for determining whether the skilled level of care
standards were met during a prior SNF stay.
Presumption 1: A beneficiary's care in a SNF met the skilled level of care standards if a
Medicare SNF claim was paid for the care, unless such payment was made under
limitation on liability rules.
Presumption 2: A beneficiary's care in a SNF met the skilled level of care standards if a
SNF claim was paid for the services provided in the SNF under the special Medicare
limitation on liability rules pursuant to placement in a non-certified bed.
Presumption 3: A beneficiary's care in a SNF did not meet the skilled level of care
standards if a claim was paid for the services provided in the SNF pursuant to the general
Medicare limitation on liability rules. (This presumption does not apply to placement in
a non-certified bed. For claims paid under these special provisions, see Presumption 2.)
Presumption 4: A beneficiary's care in a Medicaid nursing facility (NF) did not meet the
skilled level of care standards if a Medicaid claim for the services provided in the NF was
denied on the grounds that the services received were not at the NF level of care (even if
paid under applicable Medicaid administratively necessary days provisions which result
in payment for care not meeting the NF level of care requirements).
Presumption 5: A beneficiary's care in a SNF met the skilled level of care standards if a
Medicare SNF claim for the services provided in the SNF was denied on grounds other
than that the services were not at the skilled level of care.
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Presumption 6: A beneficiary's care in a SNF did not meet the skilled level of care
standards if a Medicare claim for the services provided in the SNF was denied on the
grounds that the services were not at the skilled level of care and no limitation of liability
payment was made.
Presumption 7: A beneficiary's care in a SNF did not meet the skilled level of care
standards if no Medicare or Medicaid claim was submitted by the SNF.
Presumptions 1 through 4 cannot be rebutted. Thus, prior Medicare and Medicaid claim
determinations that necessarily required a level of care determination for the time period
under consideration are binding for purposes of a later benefit period calculation.
Presumptions 5 through 7 can be rebutted by the beneficiary showing that the level of
care needed or received is other than that which the presumption dictates.
Presumption 6 can be rebutted because the Medicare skilled level of care definition for
coverage purposes is broader than the skilled level of care definition used here for benefit
period determinations. Specifically, the requirement referred to in Chapter 4, §40.2
regarding prior hospital care related to the SNF care is included in the Medicare SNF
coverage requirements but is not included in the standard for benefit period
determinations. Therefore, Medicare payment could have been denied for a SNF stay on
level of care grounds (i.e., not even waiver payment was made) because of
noncompliance with that requirement, even though skilled level of care requirements for
benefit period determinations were in fact met by the SNF stay. Consequently, when
Medicare SNF payment is denied on level of care grounds, the beneficiary must be given
the opportunity to demonstrate that he/she still needed and received a skilled level of care
for purposes of benefit period determinations.
NOTE: Effective October 1, 1990, the levels of care that were previously covered
separately under the Medicaid SNF and intermediate care facility (ICF) benefits are
combined in a single Medicaid nursing facility (NF) benefit. Thus, the Medicaid NF
benefit includes essentially the same type of skilled care covered by Medicare's SNF
benefit, but it includes less intensive care as well. This means that when a person is
found not to require at least a Medicaid NF level of care (as under Presumption 4), it can
be presumed that he or she also does not meet the Medicare skilled level of care
standards. However, since the NF benefit can include care that is less intensive than
Medicare SNF care, merely establishing that a person does require NF level care does not
necessarily mean that he or she also meets the Medicare skilled level of care standards.
Determining whether an individual who requires NF level care also meets the Medicare
skilled level of care standards requires an actual examination of the medical evidence and
cannot be accomplished through the simple use of a presumption. Therefore, the
previous references to Medicaid claims have been deleted from those presumptions
which establish that an individual does meet the Medicare standards.
Medicare no-payment bills submitted by a SNF result in Medicare program payment
determinations (i.e., denials). Therefore, such no-payment bills trigger the appropriate
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presumptions. This also applies in any State where the Medicaid program utilizes no-
payment bills which lead to Medicaid program payment determinations. If a SNF
erroneously fails to submit a Medicare claim (albeit a no-pay claim) when Medicare rules
require such submission, A/B MACs (A) request a SNF to submit one. Once the no-pay
bill is submitted and denied, the applicable presumption (other than presumption 7) is
triggered. If a patient is moving from a SNF level of care to a non-SNF level of care in a
facility certified to provide SNF care, occurrence code 22 (date active care ended) is used
to signify the beginning of the no-pay period on the bill and trigger the appropriate
presumptions.
Where the presumptions are rebuttable (i.e., 5 through 7), rebuttal showings are permitted
at both A/B MAC (A) determination levels under 42 CFR 405, Subpart G (i.e., a rebuttal
showing regarding the status of a prior SNF stay is made at the time that an inpatient
claim is submitted and/or at the reconsideration level). A/B MACs (A) evaluate rebuttal
documentation even if the presumption being rebutted was triggered by a Medicaid
denial.
This special rule for determining whether a beneficiary in a SNF is an inpatient for
benefit period purposes is applicable in all cases where a prior SNF stay affects benefit
period status, not only when a beneficiary is in exhausted or copay status and is seeking
to renew a benefit period. The rule has equal application where it results in the
beneficiary starting a new benefit period and paying a new deductible without receiving
an increase in the amount of Medicare benefits paid.
20 - Supplementary Medical Insurance (SMI) (Part B)
(Rev. 1, 09-11-02)
Supplementary Medical Insurance is described in the following subsections.
20.1 - Supplementary Medical Insurance Incurred Expenses
(Rev. 1, 09-11-02)
The SMI plan includes coverage for expenses incurred for the services described in
Chapter 1, §10.3:
Payment may not be made under Part B for services furnished an individual entitled to
have payment made for those services under Part A, e.g., if the expenses incurred were to
satisfy a Part A deductible or coinsurance amount, or if payment would be made under
Part A except for the lack of request for payment or physician certification.
20.2 - Part B Annual Deductible
(Rev. 12980; Issued:11-25-24; Effective: 01-01-25; Implementation: 01-06-25)
In each calendar year, a cash deductible must be satisfied before payment can be made
under SMI. (See 20.4 of this chapter for exceptions.)
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Calendar Year 	Deductible
1966 – 1972 	$50
1973 – 1981 	$60
1982 – 1990 	$75
1991 – 2004 	$100
2005 	$110
2006 	$124
2007 	$131
2008 	$135
2009 	$135
2010 	$155
2011 	$162
2012 	$140
2013 	$147
2014 	$147
2015 	$147
2016 	$166
2017 	$183
2018 	$183
2019 	$185
2020 	$198
2021 	$203
2022 	$233
2023 	$226
2024 	$240
2025 	$257
Expenses count toward the deductible on the basis of incurred, rather than paid
expenses, and are based on Medicare allowed amounts. Non-covered expenses do not
count toward the deductible. Even though an individual is not entitled to Part B benefits
for the entire calendar year (i.e., insurance coverage begins after the first month of a
year or the individual dies before the last month of the year), he or she is still subject to
the full deductible for that year. Medical expenses incurred in the portion of the year
preceding entitlement to medical insurance are not credited toward the deductible.
The date of service generally determines when expenses were incurred, but expenses
are allocated to the deductible in the order in which the bills are received. Services not
subject to the deductible cannot be used to satisfy the deductible.
Pro Rata Amounts
Pro Rata Amounts
First Month 	Second Month
2012 	$100.20 	$39.80
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2013 	$103.95 	$43.05
2014 	$114.99 	$32.01
2015 	$114.99 	$32.01
2016 	$118.86 	$47.14
2017 	$125.73 	$57.27
2018 	$126.88 	$56.12
2019 	$133.57 	$51.43
2020 	$140.46 	$57.54
2021 	$145.31 	$57.69
2022 	$150.66 	$82.34
2023 	$154.95 	$71.05
2024 	$161.71 	$78.29
2025 	$170.32 	$86.68
The Part B deductible is split into pro rata amounts. The purpose of the pro rata
amount is to provide beneficiaries who are enrolled in managed care plans the benefit
of assuming they have paid their deductible as if they were not enrolled in a managed
care plan. The pro rata amount does not apply only to just the first two months of the
year but rather for the number of months after first enrollment in a managed care plan
that is necessary to cover the Part B deductible. Each year starts the deduction for the
pro rata amount over again.
20.3 - Part B Coinsurance
(Rev. 1, 09-11-02)
After the deductible has been satisfied, coinsurance of 20 percent is usually applicable.
For providers and suppliers that bill A/B MAC(A) or (HHH), the 20 percent may be
based on the allowed amount, billed charges, or a preset rate per service (APC),
depending upon the type of service. See Claims Processing instructions for a description
of coinsurance calculation for each benefit type.
Physicians and other suppliers will be paid 80 percent of allowed amount under the fee
schedule amounts or in some instances reasonable charges incurred during the balance of
the calendar year. The patient is responsible for a coinsurance amount equal to 20
percent of the fee schedule amounts or reasonable charges for the items and services.
(See §20.4 of this chapter for exceptions.)
20.4 - Exceptions to Annual Deductible and Coinsurance
(Rev. 11, Issued: 10-22-04, Effective: 11-22-04, Implementation: 11-22-04)
There is no deductible for screening mammography effective for services January 1, 1998
and later.
Neither the annual deductible nor the 20 percent coinsurance apply with respect to:
Complete printed PDF page 13
• 	Parts A and B home health services, except that there is a coinsurance of 20
percent of the payment amount for supplies, drugs, DME and prosthetics
/orthotics furnished as a home health benefit;
• 	Clinical diagnostic laboratory tests (including specimen collection fees)
performed or supervised by a physician, laboratory, or other entity paid on an
assigned basis;
• 	Pneumococcal vaccine and its administration;
• 	Influenza vaccine and its administration; and
• 	Services or items denied as medically unnecessary.
NOTE: Services which are not subject to the deductible cannot be used to satisfy the
deductible.
20.4.1 - Applications of Deductible and Coinsurance in Liability and
Indemnification Situations
(Rev. 12, Issued: 10-22-04, Effective: 04-01-05, Implementation: 04-04-05)
Under 1879 of the Act, a beneficiary is not responsible for payment of the Part B
deductible or coinsurance for items or services that are neither reasonable and necessary
to diagnose or treat the illness or injury, nor to improve the functioning of a malformed
body member. If the provider knew, or should have known, that Medicare considered
such services medically unnecessary, but failed to inform the beneficiary before
furnishing them, the provider is held liable for their cost. If the beneficiary made
payment for such items or services, he/she can be indemnified for them.
In most cases, however, funds can be collected while awaiting the outcome of review of a
demand bill for institutional services-- See Publication 100-04, Chapter 1, §60.3, See
§60.3.1 in the same chapter for specific information on limitations on collecting funds
from beneficiaries in SNF Part A stays. In general, see Chapter 30 of that publication for
information on limitation of liability.
20.5 - Blood Deductibles (Part A and Part B)
(Rev. 1, 09-11-02)
Program payment may not be made for the first 3 pints of whole blood or equivalent units
of packed red cells received under Part A and Part B combined in a calendar year.
However, blood processing (e.g., administration, storage) is not subject to the deductible.
The blood deductibles are in addition to any other applicable deductible and coinsurance
amounts for which the patient is responsible.
The deductible applies only to the first 3 pints of blood furnished in a calendar year, even
if more than one provider furnished blood.
20.5.1 - Part A Blood Deductible
Complete printed PDF page 14
(Rev. 1, 09-11-02)
Blood must be furnished on a Medicare covered day in a hospital or SNF to be counted
under Part A. Blood furnished to an inpatient after benefits exhausted or before
entitlement is not counted toward the combined deductible. Blood furnished during a
lifetime extension election period is counted toward the combined A/B 3 pint total.
20.5.2 - Part B Blood Deductible
(Rev. 1, 09-11-02)
Blood is furnished on an outpatient basis or is subject to the Part B blood deductible and
is counted toward the combined limit. It should be noted that payment for blood may be
made to the hospital under Part B only for blood furnished in an outpatient setting. Blood
is not covered for inpatient Part B services.
20.5.3 - Items Subject to Blood Deductibles
(Rev. 18, Issued: 03-04-05, Effective: 07-01-05, Implementation: 07-05-05)
The blood deductibles apply only to whole blood and packed red cells. The term whole
blood means human blood from which none of the liquid or cellular components have
been removed. Where packed red cells are furnished, a unit of packed red cells is
considered equivalent to a pint of whole blood. Other components of blood such as
platelets, fibrinogen, plasma, gamma globulin, and serum albumin are not subject to the
blood deductible. However, these components of blood are covered as biologicals.
Refer to Pub. 100-04, Medicare Claims Processing Manual, chapter 4, §231 regarding
billing for blood and blood products under the Hospital Outpatient Prospective Payment
System (OPPS).
20.5.4 - Obligations of the Beneficiary to Pay for or Replace Deductible
Blood
(Rev. 1, 09-11-02)
A provider may charge the beneficiary or a third party its customary charge for whole
blood or units of packed red cells which are subject to either the Part A or Part B blood
deductible, unless the individual, another person, or a blood bank replaces the blood or
arranges to have it replaced.
20.5.4.1 - Replacement of Blood
(Rev. 1, 09-11-02)
For replacement purposes, a pint of whole blood is considered equivalent to a unit of
packed red cells. A deductible pint of whole blood or unit of packed red cells is
considered replaced when a medically acceptable pint or unit is given or offered to the
provider or, at the provider's request, to its blood supplier. Accordingly, where an
individual or a blood bank offers blood as a replacement for a deductible pint or unit
Complete printed PDF page 15
furnished a Medicare beneficiary, the provider may not charge the beneficiary for the
blood, whether or not the provider or its blood supplier accepts the replacement offer.
Thus a provider may not charge a beneficiary merely because it is the policy of the
provider or its blood supplier not to accept blood from a particular source which has
offered to replace blood on behalf of the beneficiary. However, a provider would not be
barred from charging a beneficiary for deductible blood, if there is a reasonable basis for
believing that replacement blood offered by or on behalf of the beneficiary would
endanger the health of a recipient or that the prospective donor's health would be
endangered by making a blood donation. Once a provider accepts a pint of replacement
blood from a beneficiary or another individual acting on his/her behalf, the blood is
deemed to have been replaced, and, the beneficiary may not be charged for the blood,
even though the replacement blood is later found to be unfit and has to be discarded.
When a provider accepts blood donated in advance, in anticipation of need by a specific
beneficiary, whether the beneficiary's own blood, that is, an autologous donation, or
blood furnished by another individual or blood assurance group, such donations are
considered replacement for pints or units subsequently furnished the beneficiary.
20.6 – Part B Premium
(Rev. 12980; Issued:11-25-24; Effective: 01-01-25; Implementation: 01-06-25)
The Centers for Medicare and Medicaid Services (CMS) updates the Part B premium
each year. These adjustments are made according to formulas set by statute. By law,
the monthly Part B premium must be sufficient to cover 25 percent of the program’s
costs, including the costs of maintaining a reserve against unexpected spending
increases. The federal government pays the remaining 75 percent.
Below are the annual Part B premium amounts from Calendar Year (CY) 1996 to 2006.
For these years, and years prior to 1996, the Part B premium is a single established rate
for all beneficiaries.
Year 	Part B Premium
1996 	$42.50
1997 	$43.80
1998 	$43.80
1999 	$45.50
2000 	$45.50
2001 	$50.00
2002 	$54.00
2003 	$58.70
2004 	$66.60
2005 	$78.20
2006 	$88.50
Beginning on January 1, 2007, the Part B premium is based on the income of the
Complete printed PDF page 16
beneficiary. See the following Change Requests (CRs) for more information.
For 2008, see CR 5345 at
http://www.cms.hhs.gov/transmittals/downloads/R41GI.pdf For 2008,
see CR 5830 at
http://www.cms.hhs.gov/transmittals/downloads/R49GI.pdf For 2009,
see CR 6258 at
http://www.cms.hhs.gov/transmittals/downloads/R56GI.pdf For 2010,
see CR 6690 found on the “2009 Transmittals” page at
http://www.cms.hhs.gov/Transmittals/2009Trans/list.asp
For 2011, see CR 7224 found on the “2010
Transmittals” page at
http://www.cms.gov/Transmittals/2010Trans/list.
asp
For 2012, see CR 7567 found on the “2011
Transmittals” page at
http://www.cms.gov/Transmittals/2011Trans/list.
asp
For 2013, see CR 8052 found on the “2012
Transmittals” page at
http://www.cms.gov/Transmittals/2012Trans/list.
asp
For 2014, see CR 8527 found on the “2013
Transmittals” page at
http://www.cms.gov/Transmittals/2013Trans/list.
asp
For 2015, see CR 8982 found on the “2014
Transmittals” page at
http://www.cms.gov/Transmittals/2014Trans/list.
asp
For 2016, see CR 9410 found on the “2015
Transmittals” page at
http://www.cms.gov/Transmittals/2015Trans/list.
asp
For 2017, see CR 9902 found on the “2016
Transmittals” page at
http://www.cms.gov/Transmittals/2016Trans/list.a
sp
For 2018, see CR 10405 found on the “2017
Transmittals” page at
http://www.cms.gov/Transmittals/2017Trans/list.a
sp
For 2019, see CR 11025 found on the “2018
Transmittals” page at
http://www.cms.gov/Transmittals/2018Trans/list.a
sp
Complete printed PDF page 17
For 2020, see CR 11542 found on the “2019
Transmittals” page at
http://www.cms.gov/Transmittals/2019Trans/list.a
sp
For 2021, see CR 12024 found on the “2020
Transmittals” page at
http://www.cms.gov/Transmittals/2020Trans/list.a
sp
For 2022, see CR 12507 found on the “2021
Transmittals” page at
http://www.cms.gov/Transmittals/2021Trans/list.a
sp
For 2023, see CR 12903 found on the “2022
Transmittals” page at
http://www.cms.gov/Transmittals/2022Trans/list.a
sp
For 2024, see CR 13365 found on the “2023
Transmittals” page at
http://www.cms.gov/Transmittals/2023Trans/list.a
sp
For 2025, see CR 13796 found on the “2024
Transmittals” page at
http://www.cms.gov/Transmittals/2024Trans/list.a
sp
30 - Outpatient Mental Health Treatment Limitation
(Rev. 60, Issued: 10-30-09, Effective: 01-01-10, Implementation: 01-04-10)
Regardless of the actual expenses a beneficiary incurs in connection with the treatment of
mental, psychoneurotic, and personality disorders while the beneficiary is not an inpatient
of a hospital at the time such expenses are incurred, the amount of those expenses that
may be recognized for Part B deductible and payment purposes is limited to 62.5 percent
of the Medicare approved amount for those services. The limitation is called the
outpatient mental health treatment limitation (the limitation). The 62.5 percent limitation
has been in place since the inception of the Medicare Part B program and it will remain
effective at this percentage amount until January 1, 2010. However, effective January 1,
2010, through January 1, 2014, the limitation will be phased out as follows:
• 	January 1, 2010 – December 31, 2011, the limitation percentage is 68.75%.
(Medicare pays 55% and the patient pays 45%).
• 	January 1, 2012 – December 31, 2012, the limitation percentage is 75%.
(Medicare pays 60% and the patient pays 40%).
• 	January 1, 2013 – December 31, 2013, the limitation percentage is 81.25%.
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(Medicare pays 65% and the patient pays 35%).
• 	January 1, 2014 – onward, the limitation percentage is 100%.
(Medicare pays 80% and the patient pays 20%).
For additional details concerning the outpatient mental health treatment limitation, please
see the Medicare Claims Processing Manual, Publication 100-04, chapter 9, section 60
and chapter 12, section 210.
40 - Limitation on Physical Therapy, Occupational Therapy and
Speech-Language Pathology Services
(Rev. 28; Issued: 08-12-05; Effective/Implementation: 09-12-05)
Coverage of outpatient physical therapy, occupational therapy, and speech-language
pathology services under Part B has been limited in some years. For descriptions of these
limitations see Pub 100-04, Chapter 5, §10.2.
Complete printed PDF page 19
Transmittals Issued for this Chapter
Rev # 	Issue Date 	Subject 	Impl Date 	CR#
R12980GI 	11/25/2024 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year (CY) 2025
01/06/2025 	13796
R12963GI 	11/15/2024 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year (CY) 2025- Rescinded and
replaced by Transmittal 12980
01/06/2025 	13796
R12307GI 	10/19/2023 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year (CY) 2024
01/02/2023 	13365
R11641GI 	10/13/2022 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year (CY) 2023
01/03/2023 	12903
R11136GI 	11/30/2021 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year (CY) 2022
01/03/2022 	12507
R10880GI 	08/06/2021 	Internet Only Manual Updates to Pub. 100-
01, 100-02, and 100-04 to Implement
Consolidated Appropriations Act Changes
and Correct Errors and Omissions (SNF)
11/08/2021 	12009
R10469GI 	11/20/2020 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year (CY) 2021
01/04/2021 	12024
11/22/2019 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2020
01/06/2020 	11542
R119GI 	11/02/2018 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2019
01/07/2019 	11025
R111GI 	12/08/2017 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2018
01/02/2018 	10405
R103GI 	12/02/2016 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2017
01/03/2017 	9902
R96GI 	11/25/2015 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2016
01/04/2016 	9410
R89GI 	11/21/2014 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2015
01/05/2015 	8982
R82GI 	11/15/2013 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2014
01/06/2014 	8527
R81GI 	12/07/2012 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2013
01/07/2013 	8052
R80GI 	10/26/2012 	Manual Updates to Clarify SNF Claims
Processing
04/01/2013 	8044
R74GI 	12/16/2011 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2011
01/03/2012 	7567
Complete printed PDF page 20
R72GI 	11/18/2011 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2011 –
Rescinded and replaced by Transmittal 74
01/03/2012 	7567
R65GI 	11/19/2010 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2011
01/03/2011 	7224
R61GI 	11/13/2009 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2010
01/04/2010 	6690
R60GI 	10/30/2009 	Outpatient Mental Health Treatment
Limitation
01/04/2010 	6686
R56GI 	11/17/2008 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2009
01/05/2009 	6258
R55GI 	11/07/2008 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2009 -
Rescinded and replaced by Transmittal 56
01/05/2009 	6258
R49GI 	12/14/2007 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2008
01/07/2008 	5830
R41GI 	10/27/2006 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2007
01/02/2007 	5345
R31GI 	11/04/2005 	Update to Medicare Deductible,
Coinsurance and Premium Rates for 2006
01/03/2006 	4132
R28GI 	08/12/2005 	Conforming Changes for Change Request
3648 to Pub. 100-01
09/12/2005 	3912
R18GI 	03/04/2005 	Billing for Blood and Blood Products Under
the Hospital Outpatient Prospective
Payment System (OPPS)
07/05/2005 	3681
R12GI 	10/22/2004 	New Policy and Refinements on Billing
Noncovered Charges to Fiscal
Intermediaries (FIs)
04/04/2005 	3416
R11GI 	10/22/2004 	Manual Revision Regarding Waiver of
Annual Deductible and Coinsurance for
Both ASC Facility, and ASC/Hospital
Outpatient Department Physician Services
11/22/2004 	3471
R10GI 	09/10/2004 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year 2005
01/03/2005 	3463
R09GI 	09/03/2004 	Update to Medicare Deductible,
Coinsurance and Premium Rates for
Calendar Year 2005
01/03/2005 	3463
R03GI 	03/12/2004 	New Part B Annual Deductible 	01/03/2005 	3121
R01GI 	09/11/2002 	Initial Publication of Manual 	NA 	NA
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