Serum CA 19-9 Measurement

**Semantic type:** Laboratory Procedure

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

**Synonyms:** - Serum CA 19-9 - Serum CA 19-9 - Serum CA 19-9 Assay - Serum CA-19-9 Measurement - Serum CA19-9 Measurement - Serum Cancer Antigen 19-9 - Serum Carbohydrate Antigen 19-9 Measurement