Code of Federal Regulations > Title 42 > Chapter IV > Part 493 > Subpart I - Subpart I—Proficiency Testing Programs for Nonwaived Testing

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

PROFICIENCY TESTING PROGRAMS BY SPECIALTY AND SUBSPECIALTY

§ 493.909 - Microbiology.

§ 493.911 - Bacteriology.

§ 493.913 - Mycobacteriology.

§ 493.915 - Mycology.

§ 493.917 - Parasitology.

§ 493.919 - Virology.

§ 493.921 - Diagnostic immunology.

§ 493.923 - Syphilis serology.

§ 493.927 - General immunology.

§ 493.929 - Chemistry.

§ 493.931 - Routine chemistry.

§ 493.933 - Endocrinology.

§ 493.937 - Toxicology.

§ 493.941 - Hematology (including routine hematology and coagulation).

§ 493.945 - Cytology; gynecologic examinations.

§ 493.959 - Immunohematology.

§ 493.901 - Approval of proficiency testing programs.

§ 493.903 - Administrative responsibilities.

§ 493.905 - Nonapproved proficiency testing programs.