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Laboratory: Clinical Biochemistry
Test Name:
Test Code: UA
Clinical Information:
Uric acid is the final product of purine metabolism. Uric acid measurements 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. In addition, elevated serum uric acid levels at the initial presentation of gestational hypertension may indicate heightened risk of progression to preeclampsia and development of adverse maternal/infant conditions.

Association of Uric Acid with Progression to Preeclampsia and Developent of Adverse Conditions in Gestational Hypertensive Pregnancies. Amer. Jour. Hypertension 2012; 25(6): 711-717.
Prognostic Significance of Serum Uric Acid in Women with Gestational Hypertension. Hypertension 2011; 58: 704-708.
Collection Devices:
Specimen Required:

Plasma: 2.0 mL

Stability 7 days refrigerated, 6 months frozen
Serum: 2.0 mL

Samples must be transferred to an aliquot tube and stored frozen if analysis will not be complete within 48 hours (#110-10-05 Serum / Plasma Separation Procedure & Transport)
Reference Values:
0 - 12 y: 120-330  μmol/L
≥ 13 y: 120-360
24 wk: < 200
28 wk: < 250
32 wk: < 300
36 wk: < 350
0 - 12 y: 120-330
≥ 13 y: 180-420
(μmol/L x 0.017 = mg/dL)
Stat or Routine
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