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Test Code LAB0209130 Sodium, Urine, 24 Hour

Additional Codes

EPIC Test Codes
LAB0209130 SODIUM, 24HR, URINE

 

Reporting Title

Sodium, Urine, 24hr

Methodology

Ion-Selective Electrode (ISE) Diluted (Indirect)

Performing Laboratory

Rice Memorial Hospital

Specimen Requirements

Specimen Type: Urine, 24 hour

Container/Tube: Collection container (available from Rice Lab)

Submission Container/Tube: Plastic conical or transport tube

Specimen Volume: 5 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions:

1. No preservative is required.

2. Instruct patient to void at the beginning of the collection period and discard the specimen.

3. Collect all urine, including the final specimen voided at the end of the collection period.

4. Measure and record urine volume, date and time collected, and collection interval.

5. Aliquot 5 mL of well mixed specimen into a pour off tube.
Additional Information:

1. 24-Hour volume is required.

2. See Collection Instructions: Timed Urine Specimens in Special Instructions.

Specimen Transport Temperature

Refrigerated (preferred) up to 45 days/Frozen up to 1year/Ambient up to 45 days

Reference Values

40-220 mmol/24 Hr

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

84300-Sodium, urine

81050-Urine timed measurement (if appropriate)