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Test Code 731 Sodium Urine, Random

Additional Codes


PowerChart: Sodium Random Urine

Epic: LAB444 Sodium, Urine, Random

MA Cerner: Urine Sodium.

Test Method

UCL: Ion Selective Electrode Poteniometry; Beckman DXC600/DXC880i

MA: Indirect Sample Sensing with IMT; Siemens Xpand

Specimen Requirement

5 mL urine is required.

Additional Specimen Collection Information

Collect a random urine specimen. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Store the urine specimen refrigerated and transport to the lab within 48 hours.


Testing is performed Monday through Sunday.

Typically completed within 2 hours after the specimen arrives at the testing site.

Reference Values

Reference values are not establish. Results are subject to interpretation by the clinician.

CPT Code Information

84300 Chemistry: Sodium; urine

Useful For

Assessing acid-base balance, water balance, water intoxication, and dehydration

LOINC Code Information

2955-3 Sodium [Moles/Volume] In Urine