Ordering Recommendation
Mnemonic
FEC OSMO
Methodology
Quantitative Freezing Point
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Liquid stool.
Specimen Preparation
Do not add saline or water to liquefy sample. Transfer 5 mL liquid stool to an unpreserved stool transport vial (ARUP Supply #40910). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 0.5 mL)
Storage/Transport Temperature
Frozen
Unacceptable Conditions
Formed stool. Specimens in media or preservatives.
Remarks
Stability
Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 1 month
Reference Interval
0-16 years: 271-296 mOsm/kg
17 years and older: 280-303 mOsm/kg
Interpretive Data
Compliance Category
Standard
Note
Hotline History
N/A
CPT Codes
84999
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0098122 | Osmolality Fecal | 2693-0 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Fecal Osmolality
- Osmolal gap
- osmolality, feces
- Osmotic gap
- stool osmotic gap
Osmolality, Fecal