# Laboratory Requirements
> **Centers for Medicare and Medicaid Services** · Rule · Published 2004-09-28 · 69 FR 57859
## Document
- **Document number:** 04-55517
- **Category:** other
- **Sub-agency:** Centers for Medicare and Medicaid Services
- **Federal Register citation:** 69 FR 57859
- **CFR reference:** 42 CFR 493
- **Publication date:** 2004-09-28
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/09/28/04-55517/laboratory-requirements)
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