Test guide
CD21 Expression Measurement
The determination of cellular CD21 expression in a biological specimen.
What it is for
Source: National Cancer Institute, NCI Thesaurus 26.09d, C199823. Unmodified NCI definition, CC BY 4.0. Source identity and classification checked automatically on 2026-10-20.
Limitations
Terminology reference for a laboratory procedure. The source definition does not establish routine clinical availability, validated specimen types, reference intervals, product authorization or suitability for an individual. Consult the performing laboratory for its validated method and interpretation.
Also known as
- CD21 Expression Measurement
- Complement C3d Receptor Expression Measurement
- Complement Receptor Type 2 Expression Measurement
- CR2 Expression Measurement
Reviewed products
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