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HelpTest Code CENAB Centromere Antibodies, IgG, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Centromere Ab, IgG, SUseful For
Evaluating patients with features of systemic autoimmune rheumatic disease, particularly systemic sclerosis, Sjogren’s syndrome, or overlap disease
Aiding in the phenotypic stratification of patients with systemic sclerosis (limited cutaneous vs diffuse cutaneous or risk for specific clinical manifestations)
Testing Algorithm
For more information see Connective Tissue Disease Cascade.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.35 mL
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 21 days |
| Frozen | 21 days |
Special Instructions
Day(s) Performed
Monday through Saturday
Reference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
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.Method Name
Multiplex Flow Immunoassay
CPT Code Information
83516
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 |