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Uric Acid, 24 Hour Urine
Test CodeLAB450
Alias/See Also
Uric Acid Urine Timed
CPT Codes
84560
Preferred Specimen
Uric Acid, 24 Hour Urine
Minimum Volume
1 ml aliquot of 24 hour urine
Instructions
Collection container is to be kept in a refrigerator or on ice during collection
Transport Temperature
Refrigerated
Specimen Stability
Uric acid in urine is usually stable for approximately 3 days at
room temperature 15 - 25°C, provided that there is no bacterial growth to destroy it
room temperature 15 - 25°C, provided that there is no bacterial growth to destroy it
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis: >500 mg/dL hemoglobin: >40mg/dL, Lipemia: >1000mg/dL; Ascorbic acid: >20mg/dL
Methodology
Colorimetric
Setup Schedule
Mon- Sun
Reference Range
250.0-750.0 mg/24 hours
Clinical Significance
Measurements of Uric Acid 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
including renal failure, gout, leukemia, psoriasis, starvation or other wasting conditions, and of patients receiving
cytotoxic drugs
Performing Laboratory
Piedmont Athens Regional
