Innovation Through Pioneering Technology SM

Call us today 800-522-5052

For billing information:

Test Compendium

3112: IGG, SUBCLASSES(1-4)

Test Code

  • 3112

Test Synonym

  • IgG, Total & Subclasses 1, 2, 3, 4


  • 3 mL

Minimum Volume

  • 1.8 mL

Specimen Requirements

  • Serum


  • Serum Separator Tube, Plain Red Top Tube


  • Refrigerated

CPT Codes

  • 82784,82787
    *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

  • State patient's age on the request form.

Additional Information

  • If a Red Top is drawn, transfer 3 mL serum to a plastic transport tube.

Specimen Stability

  • AMBIENT: 3 days REFRIGERATED: 7 days FROZEN: 13 days