CD Markers
CD66b (formerly CD67)


Topic Completed: 1 November 2014

Minor changes: 8 October 2020

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PubMed Search: CD66b

Nat Pernick, M.D.
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Cite this page: Pernick N. CD66b. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/cdmarkerscd66b.html. 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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