Uric Acid, Plasma or Serum

Test Code

URIC - NOCO

CPT Codes
84550

Preferred Specimen

1 mL plasma from Green top (Lithium Heparin)

Minimum Volume

0.5 mL
Note: For neonate requirements see Neonate Minimum Blood Volumes

Other Acceptable Specimens

1 ml serum from Serum Gel or Red Top

Specimen Stability

Temperature	Time
Ambient	3 days
Refrigerated	5 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis

Methodology
Uricase, Colorimetric

Setup Schedule

Monday through Sunday; Continuously

Report Available

Same day

Reference Range

Age	Male	Female
0-15 days	2.7-12.6 mg/dL	2.7-12.6 mg/dL
15 days - 1 year	1.5-6.2 mg/dL	1.5-6.2 mg/dL
1-10 years	2.3-5.3 mg/dL	2.3-5.6 mg/dL
10-13 years	2.6-6.9 mg/dL

Clinical Significance

Uric acid is the final product of purine metabolism in the human organism. 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.

Performing Laboratory
Banner Fort Collins Medical Center Laboratory
McKee Medical Center Laboratory
North Colorado Medical Center Laboratory
Summit View Laboratory

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.