- YFRED
Fecal Reducing Substances
Specimen:
Test Code
YFRED
Specimen Name
Fecal Reducing Substances
Collect
Sterile Container
Submit
5 g (Min: 1 g) Unpreserved Stool Sterile Container Frozen
Special Handling
Transfer 5 g stool to an unpreserved stool transport vial.
Rejection Criteria
Diapers. Stool containing barium. Specimens in media or preservatives.
Stability
Ambient Unacceptable; Refrigerated 1 week; Frozen 2 weeks
Methodology
Qualitative Colorimetry
Performed
Sunday - Saturday
Reported
3-5 days
CPT Codes
- 84376
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT