Question juridique clé
Whether the administrative appeals against the laboratory authorization were admissible under federal law.
Solution extraite
The administrative-law appeals were not available because the contested authorization was based exclusively on cantonal law and did not regulate a relationship governed by federal public law.
Motifs extraits
The laboratory authorization under Ticino health law was only a cantonal police authorization; federal health-insurance rules did not transform it into a federal-law decision.