Test Code UNA24 SODIUM, URINE, 24 HOUR
Additional Codes
LAB446
Performing Laboratory
Porter Hospital Laboratory
Specimen Requirements
Specimen Type: 24 Hr Urine
Container/Tube: Plastic Container
Specimen Volume: Entire 24 Hr collection
Specimen Minimum Volume: 1.0 mL
Collection Instructions:
1. Send 24 hour urine collection.
2. Place patient label on container, not on lid.
3. No preservative. Refrigerate specimen during and after collection.
4. Urine samples are stable for 4 days refrigerated (2 – 8ºC)
Specimen Transport Temperature
Refrigerate
Test Classification and CPT Coding
84300; 81050
Performing Location
Porter Hospital Laboratory
Test Schedule / Analytical Time / Test Priority / Turn Around Time
Daily / 24 Hours / Available STAT / Routine - 4 Hours
STAT - 60 Minutes
Normal Reference Values
SODIUM,U: 20-110 mEq/L
SODIUM, 24 HR U: 40-220 mEq/L