Cancer Antigen 19-9 Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of cancer antigen 19-9 present in a sample.

**Synonyms:** - CA 19-9 assay - CA-19-9 Measurement - CA19-9 Level - CA19-9 Measurement - CA19_9AG - Cancer Antigen 19-9 - Cancer Antigen 19-9 - Carbohydrate Antigen 19-9 - Carbohydrate Antigen 19-9 Measurement