91689:MYELOPEROXIDASE ANTIBODY

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91689:MYELOPEROXIDASE ANTIBODY
Alias Names: MPO Ab
Methodology: Multi-Analyte Fluorescent Detection
Edit Date: 1/1/2009
Performed: Daily
Released: 24-48 hours after setup at PeaceHealth Laboratories’ reference lab
CPT Code: 83516-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Centrifuge and separate serum from cells immediately and pour into a plastic vial. Refrigerate.
Stability: 48 hours ambient, 14 days refrigerated, or 1 year frozen. Allow no more than one freeze/thaw cycle.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Refrigerated.
Rejection Criteria: Plasma; urine, or other body fluids; severely lipemic, contaminated, or hemolyzed specimens.

Reference Range:
≤ 19 AU/mL
Negative
20-25 AU/mL
Equivocal
≥ 26 AU/mL
Positive
Approximately 90% of patients with a P-ANCA pattern by IFA have antibodies specific for MPO.

Approximately 85% of patients with a C-ANCA pattern by IFA have antibodies specific for PR3.