Your Health Where It Belongs... Your Hands

Centromere B Antibody:

Coupon Codes not valid for this testing.
Fasting Required: No
Lab: Quest Diagnostics
Specimen: Blood
Results: Average processing time 4-6 days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: Centromere B is an autoantibody, a protein produced by the immune system that mistakenly targets the body's own tissues. The Centromere B Antibody test may be ordered when a person has a positive result on an ANA test and one or more of the symptoms associated with CREST. These symptoms include:
  • Calcinosis – calcium deposits under the skin
  • Raynaud phenomenon – episodes of decreased blood flow to fingers and toes, causing them to turn white and blue
  • Esophageal dysfunction – difficulty swallowing, acid reflux, and heartburn
  • Sclerodactyly – tight, thick, shiny skin on the hands and fingers
  • Telangiectasia – red spots on skin due to swollen capillaries