CD Markers
CD66b (formerly CD67)



Topic Completed: 01 November 2014

Revised: 14 December 2018, last major update November 2014

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PubMed Search: CD66b

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

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Cite this page: Pernick N. CD66b. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/cdmarkerscd66b.html. Accessed January 22nd, 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