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Test Compendium


Test Code

  • 5072

Test Synonym

  • Beta-2 Microglobulin, Random Urine

Minimum Volume

  • 1 mL

Specimen Requirements

  • Urine


  • Container- Urine, Urine Tube


  • Refrigerated

Turn Around Time

  • 4 days

CPT Codes

  • 82232
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • Plastic urine container (do not acidify)

Additional Information

  • Patient should empty the bladder, then drink a large glass of water and collect a urine sample within 1 hour. Significant loss of B(2)-microglobulin activity may occur in acidic urine (pH <=6). Urine should always be collected at high diuresis and the pH

Specimen Stability

  • Serum: 3 days at 2-8 °C, 12 months at -20 °C. Freeze only once.