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Uric Acid
Test CodeLAB141
CPT Codes
84550
Preferred Specimen
4.5 ml (600 ul min) lithium heparin (green); alternate-SST (gold) or Red (no additive)
Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum
Instructions
After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.
Transport Temperature
Room temp
Specimen Stability
Separated from cells: 24 hours room temp, 7 days refrigerated
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
Male = 2.6 – 8.7 mg/dL
Female = 2.6 – 8.0 mg/dL
Female = 2.6 – 8.0 mg/dL
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
