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Test ID ANCA Cytoplasmic Neutrophil Antibodies, Serum

Useful For

Antineutrophil cytoplasmic antibodies (cANCA and pANCA):

-Evaluating patients suspected of having autoimmune vasculitis (both Wegener granulomatosis [WG] and microscopic polyangiitis)

 

cANCA titer:

-May be useful for monitoring treatment response in patients with WG (systemic or organ-limited disease); increasing titer suggests relapse of disease, while a decreasing titer suggests successful treatment

Method Name

Indirect Immunofluorescence

Reporting Name

Cytoplasmic Neutrophilic Ab, S

Specimen Type

Serum


Additional Testing Requirements


When used for diagnosis, it is recommended that specific tests for proteinase 3 (PR3) ANCA and myeloperoxidase (MPO) ANCA be performed in addition to testing for cANCA and pANCA.(1) This panel of tests is available by ordering the VASC / Antineutrophil Cytoplasmic Antibodies Vasculitis Panel, Serum.



Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.8 mL


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reference Values

Negative

If positive for antineutrophil cytoplasmic antibodies, results are titered.

Day(s) Performed

Monday through Saturday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86255

86256 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ANCA Cytoplasmic Neutrophilic Ab, S 87427-1

 

Result ID Test Result Name Result LOINC Value
3114 c-ANCA 35279-9
3119 p-ANCA 17357-5

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Report Available

2 to 4 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-General Request (T239)

-Renal Diagnostics Test Request (T830)