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Test Code 735 Uric Acid, Timed Urine

Additional Codes


PowerChart: Uric Acid Urine Timed

MA Cerner: Uric Acid/Urine 24hr

Specimen Requirement

0.5 mL urine is required.

Additional Specimen Collection Information

Collect a timed urine specimen, 24 hour preferred. Preservative required. Add 10 mL of 5% Sodium Hydroxide (NaOH) to a 24 hour collection container prior to the start of the collection. Keep the specimen at room temperature during the collection period. Label the container with preservative information. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Indicate the time period of collection on the container. Submit entire specimen for analysis and transport to the lab within 48 hours.

Useful For

Assessment and management of patients with kidney stones, particularly uric acid stones.


Testing is performed Monday through Sunday.

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

CPT Code Information

84560 Chemistry: Uric Acid, Other source

LOINC Code Information

3086-6  Urate [Mass/volume] in Urine

Test Method

MercyOne: Timed End-Point Method; Beckman DXC880i

Reference Values

Reference ranges not established. Results are subject to physician interpretation.