2 - 3 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Serum
0.6 mL
0.3 mL
Red-top tube or gel-barrier tube
Room temperature
Temperature
Period
14 days
Refrigerated
Frozen
Freeze/thaw cycles
Stable x2
Hemolysis; lipemia; gross bacterial contamination
For diagnosis and monitoring inflammatory activity in primary systemic small vessel vasculitides. The anti-MPO-ANCA EIA is useful for confirming positive ANCA results by IFA, particularly with the pANCA pattern. Presence of anti-MPO antibodies is highly specific for idiopathic and vasculitis-associated crescentic glomerulonephritis, classic polyarteritis nodosa, Churg-Strauss syndrome, and polyangiitis overlap syndrome without renal involvement. Levels of anti-MPO are elevated during active phases of disease and lower during remission. Therefore, monitoring anti-MPO levels can aid in disease management.
Results of this assay are not diagnostic proof of the presence or absence of disease and should be used in conjunction with clinical findings and other serological tests.
Enzyme immunoassay (EIA)
0.0-9.0 units/mL
