General Laboratory — Medicare service volumes
Published Jul 2026 · CMS Part B PUF
Reported Medicare service volumes for the General Laboratory families, scaled to total Medicare enrollment (est.). Each family links to its statistic; figures count reported services, not procedures or people.
Family statistics
Medicare reported an estimated 364.3 million Clinical Chemistry services in the United States in 2024
Medicare reported an estimated 91.8 million Blood Count services in the United States in 2024
Medicare reported an estimated 81.0 million Venipuncture Blood Collection services in the United States in 2024
Medicare reported an estimated 50.4 million Immunoassay services in the United States in 2024
Medicare reported an estimated 19.5 million Bacterial Culture services in the United States in 2024
Medicare reported an estimated 9.0 million Drug Tests services in the United States in 2024