CD Markers
CD66b (formerly CD67)

Author: Nat Pernick, M.D. (see Authors page)

Revised: 29 December 2015, last major update November 2014

Copyright: (c) 2003-2015,, Inc.

PubMed Search: CD66b

Related topics: General, CD66c, CD66d, CD66e / CEA, CD66f

Cite this page: CD66b. website. Accessed April 22nd, 2018.
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
Microscopic (histologic) images

Polymorphonuclear leucocytes

Positive staining - normal
  • Granulocytes
Positive staining - disease