CD Markers
CD66b (formerly CD67)


Topic Completed: 1 November 2014

Revised: 23 October 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: CD66b

Nat Pernick, M.D.
Page views in 2018: 127
Page views in 2019 to date: 161
Cite this page: Pernick N. CD66b. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/cdmarkerscd66b.html. Accessed November 19th, 2019.
Definition / general
  • Also called CEACAM8. NCA-95 and CGM6; formerly CD67
  • Cell adhesion molecule capable of activating neutrophils
  • Increased expression on peripheral blood neutrophils and eosinophils of rheumatoid arthritis patients (Scand J Immunol 1999;50:433)
Uses by pathologists
  • Marker for granulocytes
Positive staining - normal
  • Granulocytes
Positive staining - disease
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