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Potassium, Fecal
0020380
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Ordering Recommendation
Mnemonic
FE-K
Methodology
Quantitative Ion-Selective Electrode
Performed
Sun-Sat
Reported
Within 48 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
24-hour or random stool.
Specimen Preparation
Transfer a 5 g stool to an unpreserved stool transport vial (ARUP Supply #40910). Available online through eSupply using ARUP Connect™ or contact Client Services at (800) 522-2787. (Min: 1 g) Mix 24-hour collection well. Do not add saline or water to liquefy specimen.
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Formed or viscous stool.
Remarks
Stability
Ambient: 1 hour; Refrigerated: 2 weeks; Frozen: 6 months
Reference Interval
A reference interval has not been established for fecal specimens.
Interpretive Data
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
N/A
CPT Codes
84999
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0020380 | Potassium, Stool | 15202-5 |
* 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
- Electrolytes, Feces
Potassium, Fecal
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