Cytokeratin 19 Fragment 21-1 Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of the cytokeratin 19 fragment 21-1 present in a sample.

**Synonyms:** - CYFRA21-1 - CYFRA211 - Cytokeratin 19 Fragment 21-1 - Cytokeratin 19 Fragment 21-1