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Test Code UURC24 Uric Acid, Timed Urine LAB841

Test Method

Timed End-Point Method; Beckman DXC600

Performance

Testing is performed Monday through Sunday.

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

Useful For

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

Specimen Requirement

0.5 mL urine is required.

CPT Code Information

84560 Chemistry: Uric Acid, Other source

Reference Values

250 - 750 mg/24 hrs

LOINC Code Information

3086-6  Urate [Mass/volume] in Urine

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.