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Test Code CMA Centromere Antibodies, IgG, Serum

Reporting Name

Centromere Ab, IgG, S

Useful For

Evaluating patients with clinical signs and symptoms compatible with systemic sclerosis including skin involvement, Raynaud phenomenon, and arthralgias

 

Aiding in the diagnosis of calcinosis, Raynaud phenomenon, esophageal dysfunction, sclerodactyly, and telangiectasis (CREST) syndrome

Testing Algorithm

For more information see Connective Tissue Disease Cascade.

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

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK

Reference Values

<1.0 U (negative)

≥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

Special Instructions

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CMA Centromere Ab, IgG, S 31290-0

 

Result ID Test Result Name Result LOINC Value
CMA Centromere Ab, IgG, S 31290-0

Report Available

Same day/1 to 3 days

Method Name

Multiplex Flow Immunoassay