MPO
(a.k.a Myeloperoxidase)
minimum sample volume required ~ 5ml
Special instructions
Time limit for add on = 2 days
Interfering substances = samples maybe rejected if grossly haemolysed or lipaemic.
Reference range
<9
Units
U/ml
Linked to
ANCA screen
Turnaround Time
14
days
Department: Immunology
Clinical Application
MPO performed after positive ANCA screen.
Associated with organ-limited small vessel necrotising and crescentic glomerulonephritis. MPO is the major antigen giving rise to the p-ANCA fluorescence pattern.