US · guidance
CMS SOM App. C, Tag D8103
§493.1773 Standard: Basic inspection requirements for all laboratories
issued a CLIA certificate and CLIA-exempt laboratories.
(b) General Requirements. As part of the inspection process, CMS or a CMS agent
may require the laboratory to do the following:
Interpretive Guidelines §493.1773(b)-(c)
The regulations do not require a laboratory to maintain records on-site. During the
survey, the laboratory must be able to retrieve copies of all records and necessary
information upon request. Determine what constitutes a reasonable timeframe based on
the information requested.
(b)(1) Test samples, including proficiency testing samples, or perform procedures.
(b)(2) Permit interviews of all personnel concerning the laboratory’s compliance
with the applicable requirements of this part.
(b)(3) Permit laboratory personnel to be observed performing all phases of the total
testing process (preanalytic, analytic, and postanalytic).
(b)(4) Permit CMS or a CMS agent access to all areas encompassed under the
certificate including, but not limited to, the following:
(b)(4)(i) Specimen procurement and processing areas.
(b)(4)(ii) Storage facilities for specimens, reagents, supplies, records, and reports.
(b)(4)(iii) Testing and reporting areas.
(b)(5) Provide CMS or a CMS agent with copies or exact duplicates of all records
and data it requires.
(c) Accessible Records and Data. A laboratory must have all records and data
accessible and retrievable within a reasonable time frame during the course of the
inspection.
(d) Requirement to Provide Information and Data. A laboratory must provide,
upon request, all information and data needed by CMS or a CMS agent to make a
determination of the laboratory’s compliance with the applicable requirements of
this part.
History
Rev. 233; Issued: 09-12-25; Effective: 09-12-25; Implementation: 09-12-25
Provenance
- Source
- cms.gov
- Retrieved
- 2026-07-22
- Edition
- som-2026-07-22
- Content hash
22b779bf54476949f00ac0eb4ccaa71359b9a1408b398db8157a901243b1e046
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