CA19-9 Less than 500 U/mL

**Semantic type:** Laboratory or Test Result

**Definition:** A semiquantitative finding indicating that the concentration of CA19-9 detected in a sample is less than 500 U/mL.

**Synonyms:** - CA 19-9 <500 U/mL - CA 19-9 Less than 500 U/mL - CA19-9 Antigen Less than 500 U/mL - CA19-9 Less than 500 - CA19-9 Less than 500 Units per Milliliter - Cancer Antigen 19-9 Less than 500 U/mL - Carbohydrate Antigen 19-9 Less than 500 U/mL