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Test Code NAU (random) or URNA(24 hr urine) Sodium, Urine

Additional Codes

LAB445   24 HOUR

LAB444   RANDOM

Methodology

Used to monitor electrolyte balance.

Performing Laboratory

St. Mary's Regional Medical Center-Chemistry

 

CPT: random 84300

CPT: 24 hour 84300

Specimen Requirements

Submit only 1 of the following specimens:

 

Urine, 24-Hour Collection

Submit an entire 24-hour urine collection in a plastic urine container. No preservative.
Note: 1. Starting and ending times of collection are required.

2. Follow instructions in Urine Collection in Special Instructions.

 

Urine, Random Collection

1 mL from a random urine collection. No preservative.

Reference Values

40-220 mEq/24 hours (varies with diet)

No established reference values for random collections.

Day(s) Test Set Up

Monday through Sunday

Special Instructions