Choriogonadotropin Beta Subunit [Units/Volume] in Serum or Plasma by Enzyme Immunoassay Third International Standard

**Semantic type:** Laboratory Procedure

**Definition:** A quantitative enzyme immunoassay based on the third international standard that measures the concentration (units/volume) of choriogonadotropin beta subunit in a serum or plasma specimen.

**Synonyms:** - Choriogonadotropin.beta subunit [Units/volume] in Serum or Plasma by Immunoassay (EIA) 3rd IS