CA 19-9 — Pancreatic Cancer Marker: Range and Interpretation

Updated: June 2025

CA 19-9 is a carbohydrate antigen and the primary marker for pancreatic cancer. Used for treatment monitoring and early detection of recurrence.

Reference Range

0–37 Ед/мл

Causes of Elevation

Pancreatic cancer
Bile duct cancer (cholangiocarcinoma)
Gastric cancer
Pancreatitis (acute and chronic)
Obstructive jaundice
Cystic fibrosis

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