42 C.F.R. § 493.909 Microbiology.
Title 42 - Public Health
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.
Title 42: Public Health
PART 493—LABORATORY REQUIREMENTS
Subpart I—Proficiency Testing Programs for Nonwaived Testing
Proficiency Testing Programs by Specialty and Subspecialty
§ 493.909 Microbiology.

