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Laboratory Test Directory
Potassium, Urine Output (Updated)
Components
| Name | Method | Department | Units |
|---|---|---|---|
| Potassium, Urine Timed |
Ion selective electrode |
Core Lab, Chemistry, Routine |
Specimen Requirements
Urine, 24 hours
| Container Type | Container Size | Specimen Volume |
|---|---|---|
Preferred24 hour urine container |
N/A | |
Stability
Room temperature - 4 day(s)
Refrigerated - 7 day(s)
Frozen - 6 month(s)
Specimen Preparation
- Ship entire specimen to laboratory refrigerated
- Urine collection: Note start and stop dates and times on requisition
- Refrigerate during collection
Reasons for Rejection
- Use of urine preservative
- Loss of some specimen during collection
- Collected in diaper or cotton balls
Comments
Indicate start and stop time and date on the requisition.
CPT Code
- 84133