Test Code 1009
Test Details
Uric Acid
Uric acid is the final product of purine metabolism.
Methodology
Enzymatic colorimetric
Patient Preparation
None
Preferred Specimen
1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)
Alternate Specimen
- 1.0 mL EDTA plasma (0.5 mL minimum) collected in plasma separator tube (Pearl Top)
- Dried Blood collected on an AdvanceDx 100 card
Transport Temperature
Refrigerated (ship on frozen cold packs)
Stability
Refrigerated: 7 days
Lab Values
Uric Acid
Female
Age | Optimal | Borderline | Increased Risk |
<18 yrs | <5 mg/dL | 5 – 6 mg/dL | >6 mg/dL |
≥18 yrs | <6 mg/dL | 6 – 10 mg/dL | >10 mg/dL |
Male
Age | Optimal | Borderline | Increased Risk |
<15 yrs | <5 mg/dL | 5 – 7 mg/dL | >7 mg/dL |
15 – 18 yrs | <6 mg/dL | 6 – 8 mg/dL | >8 mg/dL |
>18 yrs | <7 mg/dL | 7 – 10 mg/dL | >10 mg/dL |
Clinical Significance
Uric Acid
Elevated uric acid elevations are seen in renal disorders, gout, leukemia, psoriasis, starvation, and patients receiving cytotoxic drugs.
Treatment Options
Uric Acid
- Treatment is based on etiology of elevation.
- Consider additional diagnostic tests as indicated.