Ordering Recommendation

Aids in diagnosis and monitoring of gout or kidney stones. Aids in monitoring uric acid levels in patients at risk for kidney stone development.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Plasma separator tube or serum separator tube.

Specimen Preparation

Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Body Fluid (refer to Uric Acid, Body Fluid, ARUP test code 0020513).Urine (refer to Uric Acid, Urine, ARUP test code 0020481).

Remarks
Stability

After separation from cells: Ambient: 3 days; Refrigerated: 1 week; Frozen: 6 months

Methodology

Quantitative Spectrophotometry

Performed

Sun-Sat

Reported

Within 24 hours

Reference Interval

By report (reports may vary based on instrumentation).

Interpretive Data



Compliance Category

FDA

Note

Assay interference (negative) may be observed when high concentrations of N-acetylcysteine (NAC) are present. Negative interference has also been reported with NAPQI (an acetaminophen metabolite) but only when concentrations are at or above those expected during acetaminophen overdose.

Hotline History

N/A

CPT Codes

84550

Components

Component Test Code* Component Chart Name LOINC
0020026 Uric Acid, Serum or Plasma 3084-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Serum Urate
  • UA
Uric Acid, Serum or Plasma