- YFOS
Osmolality, Fecal
Specimen:
Test Code
YFOS
Specimen Name
Osmolality, Fecal
Collect
Sterile Container
Submit
5 mLs (Min: 0.5 mL) Liquid Stool Frozen
Special Handling
Do not add saline or water to liquefy sample. Transfer 5 mLs liquid stool to an unpreserved stool transport vial.
Rejection Criteria
Formed stool. Specimens in media or preservatives.
Stability
Ambient Unacceptable; Refrigerated 1 week; Frozen 1 month
Methodology
Quantitative Freezing Point
Performed
Sunday - Saturday
Reported
3-5 days
CPT Codes
- 84999
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT