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Uric Acid, Pediatric Urine with Creatinine
Test Code11217
CPT Codes
82570, 84560
Preferred Specimen
2 mL second void urine in a plastic screw-cap container - no preservative
Minimum Volume
0.5 mL
Instructions
Do not acidify urine. Please aliquot for uric acid testing prior to addition of any acid for those tests requiring preservative.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 13 days
Refrigerated: 13 days
Frozen: 28 days
Methodology
Spectrophotometry (SP)
Setup Schedule
A.M. Sets up 2 days a week.
Clinical Significance
Urine uric acid may supplement serum uric acid testing when trying to identify conditions in which there is alteration of uric acid production or excretion, e.g., gout, leukemia, renal disease. The amount of uric acid excreted may be useful in treating asymptomatic hyperuricemia. Measurement of urine uric acid is important in the investigation of urolithiasis.