Test Name: URIC ACID, 24-HOUR URINE
Test Code: 2120193
Alias: LAB841
CPT Code(s): 84560  
Preferred Specimen: 10 mL urine of a well-mixed, 24-hour collection (with preservative)
Container:

Amber 24-hour urine plastic container

Preservative: 10 mL of 5% NaOH or 6 NaOH pellets
Minimum Volume: 5 mL urine of a well-mixed, 24-hour collection (with preservative)
This volume does not allow for repeat testing.
Collection Instructions:

The collection container should be kept at room temperature during collection. Either 10 ml of 5% NaOH or 6 NaOH pellets should be added to the container to keep the urine alkaline. Instruct patient to void at 8 AM (or 8 PM) and discard the specimen. Then collect all the urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM or 8 PM the following day).

Refer to separate patient instructions for detailed 24-hour urine collection. Record the collection date/time and total volume on the specimen container and test requisition.

 

 

For patient safety, dropping off specimens requires a full registration process and verification of proper specimen collection.
Transport Temperature:

Room temperature
Stability: Room temperature: 4 days
Limitations: Errors in recording timing of collection period
Loss of a portion of the urine during collection
Including the first void in the timed collection
Urinary retention
Schedule: Set up Daily; Results in 24-48 hours
Method:

Enzymatic
Clinical Significance: Uric acid measurements are used in the diagnosis and treatment of numerous renal and metabolic disorders, including renal failure, gout, leukemia, psoriasis, starvation, or other wasting conditions, and of patients receiving cytotoxic drugs.
Reference Ranges: Updated 02/16/22

Reference Range Table

Result Units Gender Age Range
Uric Acid, 24hr urine mg/24hrs Both 0 Year - 999 Year 250-800

The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.

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