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Test Code 24S/P Sodium/Potassium, 24 Hour, Urine

Performing Laboratory

North Ottawa Community Hospital

Specimen Requirements

Specimen Type: Urine
Container/Tube: 24-hour urine container
Specimen Volume: Entire collection
Collection Instructions:

1. Collect a 24-hour urine specimen.
2. No preservative.

3. Refrigerate specimen during collection.
Additional Information:
1. Starting and ending times of collection are required.
2. Follow instructions in Urine Collection in Special Instructions.

Reference Values

SODIUM

40-220 mmol/24 hours

 

POTASSIUM

25-125 mmol/24 hours

Day(s) Test Set Up

Monday through Sunday

Methodology

Indirect Potentiometric

Specimen Transport Temperature

Refrigerated

Test Classification and CPT Coding

81050-Urine timed measurement

84133-Potassium

84300-Sodium

Special Instructions