MPO

Test investigation

MPO

Laboratory offering test

NNUH

Units

U/mL

Also known as/Frequency of test

ANCA, mps, myeloperoxidase

Indications

MPO and PR3 antibodies are associated with the systemic necrotising vasculitides Granulomatous Polyangitis (GPA/Wegener's Granulomatosis), Microscopic Polyarteritis, Rapidly Progressive Glomerulonephritis and Churg-Strauss Syndrome.

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

2 working days

Reference intervals

0.0 – 3.5 IU/mL Negative 3.5 – 5.0 IU/mL Equivocal > 5.0 IU/mL Positive