Uric Acid, Blood
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To monitor uric acid levels during treatment for gout and evaluation of tissue destruction, liver damage, renal function, and monitor the effectiveness of therapeutic interventions.
Serum (1 mL) collected in a red- or tiger-top tube. Plasma (1 mL) collected in a green-top (heparin) tube is also acceptable. Note: Rasburicase will rapidly decrease uric acid in specimens left at room temperature. If patients are receiving this medication, collect the blood sample in a prechilled green-top (heparin) tube and transport in an ice slurry.
|Age||Conventional Units||SI Units (Conventional Units × 0.059)|
|Male & female||1.8–5||0.11–0.3 mmol/L|
|Male & female||2.2–4.7||0.13–0.28 mmol/L|
|Male & female||2–5||0.12–0.3 mmol/L|
|Male & female||2.3–5.9||0.14–0.35 mmol/L|
|Male||4–8 mg/dL||0.24—0.47 mmol/L|
|Female||2.5–7 mg/dL||0.15–0.41 mmol/L|
|Adult older than 60 yr|
|Male||4.2–8.2 mg/dL||0.25–0.48 mmol/L|
|Female||3.5–7.3 mg/dL||0.21–0.43 mmol/L|
|Therapeutic target for patients with gout: Less than 6 mg/dL (SI: Less than 0.4 mmol/L).|