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Test Code MYELOPEROX* Myeloperoxidase Antibodies, IgG, Serum

Additional Codes

Mayo Test ID
MPO

Reporting Name

Myeloperoxidase Ab, S

Useful For

Evaluating patients suspected of having immune-mediated vasculitis, especially microscopic polyangiitis (MPA), when used in conjunction with other autoantibody tests (see Cautions)

 

May be useful to follow treatment response or to monitor disease activity in patients with MPA

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.35 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  21 days

Reference Values

<0.4 U (negative)

0.4-0.9 U (equivocal)

≥1.0 U (positive)

Reference values apply to all ages.

Day(s) Performed

Monday through Saturday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

83516

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MPO Myeloperoxidase Ab, S 48404-8

 

Result ID Test Result Name Result LOINC Value
MPO Myeloperoxidase Ab, S 48404-8

Report Available

1 to 4 days

Method Name

Multiplex Flow Immunoassay

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.