Test Code POT24 POTASSIUM, URINE 24HR
Methodology
Automated Chemistry Analyzer
Specimen Requirements
24-hour Urine Collection
Container: 24-hour dark plastic urine container
Specimen Collection: 10 mL (minimum 1 mL)
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Collect a 24-hour urine in a 24-hour dark plastic urine container. Refrigerate during collection.
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Aliquot 10 mL of a well-mixed 24-hour urine collection in a leakproof plastic urine container.
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Record collection time and total volume.
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Store and transport refrigerated.
 
Alternate Specimens: Frozen specimens.
Maximum Laboratory Time
24 - 48 hours
Specimen Transport/Stability
Refrigerated: 7 days
Test Classification and CPT Coding
84133
Day(s) Test Set Up
Daily
Reference Ranges
| Collection Period | h | 
| Volume | mL | 
| Sodium, Urine | mMOL/dy | 
| 25.0 - 150.0 | 
Performing Laboratory
Logan Health Medical Center Laboratory