Code of Federal Regulations > Title 42 > Chapter IV > Part 493 - PART 493—LABORATORY REQUIREMENTS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

Subpart A [§ 493.1 - § 493.25] - Subpart A—General Provisions

Subpart B [§ 493.35 - § 493.41] - Subpart B—Certificate of Waiver

Subpart C [§ 493.43 - § 493.53] - Subpart C—Registration Certificate, Certificate for Provider-performed Microscopy Procedures, and Certificate of Compliance

Subpart D [§ 493.55 - § 493.63] - Subpart D—Certificate of Accreditation

Subpart E [§ 493.551 - § 493.575] - Subpart E—Accreditation by a Private, Nonprofit Accreditation Organization or Exemption Under an Approved State Laboratory Program

Subpart F [§ 493.602 - § 493.680] - Subpart F—General Administration

Subpart G - Subpart G [Reserved]

Subpart H [§ 493.801 - § 493.865] - Subpart H—Participation in Proficiency Testing for Laboratories Performing Nonwaived Testing

Subpart I [§ 493.901 - § 493.959] - Subpart I—Proficiency Testing Programs for Nonwaived Testing

Subpart J [§ 493.1100 - § 493.1105] - Subpart J—Facility Administration for Nonwaived Testing

Subpart K [§ 493.1200 - § 493.1299] - Subpart K—Quality System for Nonwaived Testing

Subpart L - Subpart L [Reserved]

Subpart M [§ 493.1351 - § 493.1495] - Subpart M—Personnel for Nonwaived Testing

Subpart N - Subparts N-P [Reserved]

Subpart Q [§ 493.1771 - § 493.1780] - Subpart Q—Inspection

Subpart R [§ 493.1800 - § 493.1850] - Subpart R—Enforcement Procedures

Subpart S - Subpart S [Reserved]

Subpart T [§ 493.2001 - § 493.2001] - Subpart T—Consultations