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HelpTest Code OSMFC Osmolality, Feces
Specimen Required
1 mL random watery liquid fecal collected in a plastic screw-cap container or 24-hour or 48-hour watery liquid fecal collected in a plastic screw-cap container
Specimen Minimum Volume
0.2 mL
Specimen Stability
Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: Not established
Rejection Due To
Specimens in paint cans • Formed stool • Specimens received room temperature • Specimens received refrigerated
Method Name
Freezing Point Depression
Collection Container / Tube
Preferred:
Other Acceptable Container:
Transport / Storage Conditions
Frozen
Special Instructions
Specimen must be shipped frozen to reduce the odor during
shipping and to minimize the risk of the container rupturing due to
gas accumulation.
Note: This test only has clinical utility if
performed on a watery fecal specimen.
Reference Values
No age/sex specific ranges for this test
Day(s) Performed
Set up: Sun-Fri; Report available: 3 days
CPT Codes
84999