Casandra
Casandra Test Code QD78579Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 968
Osmolality, Feces
Clinical Use
Order TestUse
Measurement of osmolality is useful in the workup of chronic diarrhea and in diagnosing factitious diarrhea, where patients may add fluid to stool to simulate diarrhea. ([mayocliniclabs.com](https://www.mayocliniclabs.com/test-catalog/overview/606758?utm_source=openai))
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
New York Approved
Methodology
Other
Biomarkers
Targets not provided.
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Other
Volume
10 g
Minimum Volume
5 g
Container
Stool container
Collection Instructions
Collect a very liquid stool specimen.
Patient Preparation
No barium, laxatives, or enemas may be used for 96 hours prior to start of, or during, collection.
Causes for Rejection
Formed specimens are not accepted/not performed
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Ambient: 48 hours |
| Refrigerated | Refrigerated: 7 days |
| Frozen | Frozen (preferred): 14 days |
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