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Test Code CMA Centromere Antibodies, IgG, Serum


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.


Children's Mercy Hospital Note:

CMH COLLECTION: 1.5  mL in red gel vacutainer

Specimen Minimum Volume

0.35 mL

Specimen Stability Information

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

Testing Algorithm

For more information see Connective Tissue Disease Cascade.

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)

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus OK
Heat-Treated Reject

Day(s) Performed

Monday through Saturday

Report Available

Same day/1 to 3 days

Reporting Name

Centromere Ab, IgG, S

Reference Values

<1.0 U (negative)

≥1.0 U (positive)

Reference values apply to all ages.

Method Name

Multiplex Flow Immunoassay

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83516

Special Instructions