Potassium, Fecal

0020380
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Example Reports
Standard

Ordering Recommendation

Mnemonic

FE-K

Methodology

Quantitative Ion-Selective Electrode

Performed

Sun-Sat

Reported

1-2 days

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

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

84999

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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