Myeloperoxidase Antibody (MPO)
Immunology
Sample and container requirements
Serum
Minimum volume required
4 ml Blood
Special requirements
None
Patient preparation
None
Sample viability
Store at 4oC
Turnaround time
5 days
Reference range
Negative = <3.5 u/mL Weak positive = 3.5-5.0 U/mL Positive = >5.0 U/mL Normal result for this assay is Negative.
Clinical guidance
Some indications: Pauci-Immune G.N. Vasculitis If this test is required urgently please contact the Duty Immunologist via Bleep 2119 during the normal working hours of the laboratory ( Mon-Fri 09.00 to 17.00) https://labtestsonline.org.uk/tests/ancampopr3-antibodies
Notes
Images to go here
This information was last updated on 17 August 2026