Myeloperoxidase antibodies

Alphabetical Test listing

Myeloperoxidase antibodies-1254A

Test name:

Test number:

1254A

Excellian order number:

LAB1254

Abbreviation:

MPO

Alternate names:

Anti-myeloperoxidase antibodies
p-ANCA
Perinuclear andi-neutrophil cytoplasmic antibody
MPO

Useful for:

Evaluating patients suspected of having immune-mediated vasculitis, especailly MPA
Recommended use is to monitor patients in response to treatment

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

0.5 mL

Minimum volume:

0.4 mL

Collection instructions:

Immediately following collection, mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube - 5 mL

Alternate processing instructions:

Allow sample to clot
Spin
Transfer serum to a False bottom plasma/serum transport vial/tube (AHL), labelled as serum, within two (2) hours of sample collection

Alternate transport container:

False bottom plasma/serum transport vial/tube (AHL)

Transport and stability:

Refrigerated (preferred) - 7 days

Frozen (OK) - 21 days

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performing lab:

AHL - Immunology: J

Days set up:

Mo - Fr

TAT:

2 - 3 days

Method:

Chemiluminescent Immunassay (CIA)

Reference ranges:

< 20 CU Negative
≥ 20 CU Positive

CPT codes:

83876

Date created:

10/25/2004

Revised date:

03/14/2024

Review date:

01/24/2024