. Author manuscript; available in PMC: 2011 Feb 1.

Published in final edited form as: J Allergy Clin Immunol. 2010 Jan 12;125(2 Suppl 2):S238–S247. doi: 10.1016/j.jaci.2009.09.041

Table 4.

Marker	Cell type	Comment
CD3	T cells	Expressed on all T cells
CD4	T cell subset	Helper/inducer T cells
CD8	T cell subset	Cytotoxic T cells: expressed by up to 1/3 of NK cells
CD19 or CD20	B cells
CD16	NK cells	Some NK cells may not express CD16
CD56	NK cells	Expressed on majority of NK cells