{"data":{"id":"us/42-cfr-493.909","jurisdiction":"us","citation":"42 CFR 493.909","heading":"Microbiology.","body":"The subspecialties under the specialty of microbiology for which a program may offer proficiency testing are bacteriology, mycobacteriology, mycology, parasitology and virology. Specific criteria for these subspecialties are found at §§ 493.911 through 493.919.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER G—STANDARDS AND CERTIFICATION","PART 493—LABORATORY REQUIREMENTS","Subpart I—Proficiency Testing Programs for Nonwaived Testing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-42.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:11Z","sha256":"10906b9854f96b27041acc4147844d43e8a60589f26b3b45df04770055746979","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-493.905","next":"us/42-cfr-493.911"},"notice":"GroundRules: Original legal text. Not legal advice."}