Test Overview
Test Methodology

Multiplex Flow Immunoassay

Test Usage

Evaluating patients suspected of having Granulomatous polyarteritis (GPA).

Reference Range *

< 1.0 Antibody Index (Negative)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

24 hours

Soft Order Code
PR3
MiChart Code
Proteinase 3 Antibodies
Synonyms
  • PR3
  • Proteinase 3 AB (PR3), Serum
  • PR3N
  • PR3I
Laboratory
Chemical Pathology
Section
Immunopathology
Specimen Requirements
Collection Instructions

Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 7 days.

Alternate Specimen
Red top tube.
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
83516
Fee Code
21595
LOINC
46267-1, 63310-7