PrognoHealth – Corporate Health & Wellness Specialist
CA-19.9 Test CA-19.9 is a blood test that measures the level of a protein called carbohydrate antigen 19-9 (CA 19-9). This protein is often elevated in people with certain types of cancer, particularly those of the pancreas, colon, stomach, liver, and biliary tract. There is usually no specific preparation required for this test, but you
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