Test Code Centromere AB Centromere B Antibody
Specimen Type
Blood
Minimum Volume
1.0 mL
Container
Plain Red
Serum/Refrigerate
Methodology
Fluorescent Enzymatic Immunoassay
Turnaround Time
Batch tested Tuesday, Wednesday and Friday.
Testing days subject to change based on volume
Reference Range
≤6.9 unit/mL Negative
Notes
Antibody results should not be used alone for diagnosis and must be interpreted in light of clinical manifestations and other test results.
Centromere B antibodies are found in 70-90% of patients with CREST Syndrome, a limited form of scleroderma with a comparatively favorable prognosis. However, they may also occur in Raynaud’s phenomenon and primary biliary cirrhosis (10-20%).
CPT Code
86235