Uric Acid

Supply #T01 - Red/Gray SST 8.5mL

Test Code: 905

CPT Code(s): 84550

Methodology: Spectrophotometry (SP)

Clinical Significance: Serum uric acid measurements are useful in the diagnosis and treatment of numerous renal and metabolic disorders, including renal failure, gout, leukemia, psoriasis, starvation or other wasting conditions, and in patients receiving cytotoxic drugs.

Additional names: Not applicable

Collection Guide: 

Supply: T01 - Red/Gray SST 8.5mL

Preferred Specimen Requirements: Serum

Preferred Volume: 1mL

Container Type: Serum Separator tube (SST)

Patient Preparation: The assay manufacturer, Beckman Coulter advises: "N-acetyl cysteine (NAC), when administered in therapeutic concentrations (for the treatment of acetaminopehn overdose), has been determined to interfere with assays for cholesterol and uric acid" where "NAC interference may lead to falsely low results." According to Beckman Coulter the NAC interference should be insignificant by 12 hours after completion of the intial loading dose of an IV infusion treatment regimen consisting of an intial loading dose of 150 mg/kg administered over 1 hour, a second dose of 50 mg/kg administered over 4 hours and a third dose of 100 mg/kg administered over 16 hours.

Transport Temperature: Room Temperature

Specimen Stability:
 Room Temperature: 72 hours

Reject due:
 Specimens exceeding stability; Unlabeled or improperly labeled specimens; Specimens other than serum

For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.

The CPT codes provided 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.