Potassium, Fecal
| Sunquest Code: | SPOT | ||
| Epic Code: | LAB577 | Epic Name: | Potassium |
| Synonyms: | K, Fecal; K, Stool; Potassium, Stool | ||
| Methodology: | Ion selective electrode | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 2 days. | ||
| Special Instructions: | Stool must be liquid. Do not add saline or water to liquefy sample. | ||
| Compliance: | This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes. |
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Collection Instructions
| Specimen: | Liquid, random stool or 24 hour stool |
| Optimal Volume: | 5 g |
| Minimum\Peds Volume: | 1 g |
| Container: | Plastic leakproof container, sterile [Alternate Containers: Plastic leakproof container, sterile] |
| Causes for Rejection: | Formed or viscous stool. |
Processing and Shipping
| Specimen Processing: | Store in freezer. |
| Shipping Instructions: | Ship on dry ice. |
| Stability: | Stability: one hour at room temperature; 2 weeks refrigerated, 6 months frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 20380 |
Interpretive
| Reference Range: | Reference range not established. |
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