CD Markers
CD66b (formerly CD67)

Topic Completed: 1 November 2014

Minor changes: 8 October 2020

Copyright: 2003-2021,, Inc.

PubMed Search: CD66b

Nat Pernick, M.D.
Page views in 2020: 208
Page views in 2021 to date: 17
Cite this page: Pernick N. CD66b. website. Accessed January 16th, 2021.
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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