CD42b pin

IHC

CD42b

Alternate Test Names:
Platelet glycoprotein Ib

Methodology: IHC

Clinical Significance:
CD42b, also known as platelet glycoprotein Ib, is a cell surface and transmembrane glycoprotein, expression of which commences somewhat later in megakaryocytic development compared to CD61. CD42b is also expressed by platelets. A subset of cases of Bernard-Soulier syndrome involve congenital deficiency of CD42b.

Subcellular Localization: Membranous

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Disease State:

CPT Code(s): 88342 or 88341

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