also known as Centromere protein B Ab in Serum by Immunoblot
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