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HelpTest Code LAB121500 Centromere Antibodies, IgG, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Centromere Ab, IgG, SSpecimen Type
SerumSpecimen 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.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | OK |
| Heat-Treated | Reject |
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 21 days |
| Frozen | 21 days |
Specimen Minimum Volume
0.35 mL
Special Instructions
Day(s) Performed
Monday through Saturday
Specimen Retention Time
14 daysReport Available
Same day/1 to 3 daysReference Values
<1.0 U (negative)
≥1.0 U (positive)
Reference values apply to all ages.
Useful 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.
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 |