Uric Acid
Testing Information
Sample Type
Serum
Test Codes
630450
CPT Code
84550
Testing Area
Core Lab - Chemistry
Test Methodology
Abbott Alinity - Enzymatic and Spectrophotometry
Reference Range
Female: 2.6-6.5 mg/dLMale, 0-13 years: 1.5-7.0 mg/dL Male, >13 years: 3.5-7.5 mg/dLCritical Value: >15 mg/dL
Expected Turnaround Time
Results Available 24 hours from Receipt
Specimen Collection Criteria
Collect one gold top SST tube (minimum whole blood: 4 mL). Let specimen clot for 30-60 minutes and then centrifuge to separate serum from cells. Refrigerate after centrifugation.
Rejection Criteria
Grossly hemolyzed specimens, quantity not sufficient, improperly labeled
Specimen Validity and Retention
Centrifuged SST Tubes:Room Temperature (20-25°C): 4 hoursRefrigerated (2-8°C): 7 daysFrozen (-20°C or greater): UnacceptableSerum Aliquots:Room Temperature (20-25°C): 4 hoursRefrigerated (2-8°C): 7 daysFrozen (-20°C or greater): 7 daysSpecimens retained for 7 days after testing
Courier Transportation
Transport centrifuged tube refrigerated (2-8°C)
Clinical Utility
Uric acid levels are useful in assessing patients presenting with symptoms of gout.
