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Regulations last checked for updates: May 23, 2025

Title 42 - Public Health last revised: May 16, 2025
All TitlesTitle 42Chapter IVPart 493Subpart I - Subpart I—Proficiency Testing Programs for Nonwaived Testing

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.
authority: 42 U.S.C. 263a,1302,1395x,1395x
source: 55 FR 9576, Mar. 14, 1990, unless otherwise noted.
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