PROTEINASE 3 AB

Test Code

LAB7837

CPT Codes
83516

Preferred Specimen

1 Gold tube (SST)

Patient Preparation
None

Minimum Volume

0.5 mL (1 mL optimal)

Other Acceptable Specimens

1 Red tube

Instructions

Centrifuge for complete separation of serum from red cells. Refrigerate until tested.

Transport Container

Transfer/aliquot tube

Transport Temperature

Refrigerate

Specimen Stability

2-8°C up to 7 days

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

Hemolyzed
Lipemic

Methodology
Multiplex Flow Immunoassay

Setup Schedule

M, T, W, Th, F

Batched; Day shift and Night shift

Clinical Significance

Autoantibodies to Proteinase 3 are indicative of Wegner's granulomatosis and often decline following treatment. Patients undergoing steroid or immunosuppressant therapy may have negative test results.

Performing Laboratory
Alverno Central Lab

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.