Myeloperoxidase Antibodies

Alternative Names/Synonyms	ANCA, Anti-MPO Antibody, Anti-Neutrophil Cytoplasmic Antibodies, MPO
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	MPO2

Clinical Significance (If applicable)

Assisting in the diagnosis of microscopic polyangiitis. This has replaced previous ANCA testing by immunofluorescence.

Serum

0.5 mL

4.5 mL

Room Temperature: 48 hours

Fridge: 2 weeks @ 2-8°C

Freezer: 1 year @ -20°C

BIO-FLASH, immunoassay

Weekdays

1 week

< 20 CU
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

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