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Proficiency Testing by Specialty and Subspecialty for Laboratories Performing Tests of Moderate Complexity (Including the Subcategory), High Complexity, or Any Combination of These Tests

Proficiency Testing by Specialty and Subspecialty for Laboratories Performing Tests of Moderate Complexity (Including the Subcategory), High Complexity, or Any Combination of These Tests

ContainsSections 493.821–493.865
CorpusDaily eCFR
Displayed edition2026-04-24
Last updated2026-04-24

Sections

Section numbering in the official eCFR can be non-consecutive. Omitted section numbers are not treated here as reserved unless the source explicitly labels them that way.