What is a high level of CA 19-9?

What is a high level of CA 19-9?

Here is what your results may mean: If your CA 19-9 is less than 37 U/mL, you may not have cancer. If your CA 19-9 is above 37 U/mL, you may have cancer of the pancreas, liver, gallbladder, lung, colon, or stomach.

How accurate is CA 19-9?

Overall, an elevated serum CA 19-9 level has a sensitivity of 79–81% and a specificity of 82–90% for diagnosing pancreatic cancer in symptomatic patients.

What are CEA and CA 19-9?

Cancer embryonic antigen (CEA) and carbohydrate antigen (CA19-9) are well-known tumor markers that are used in the diagnosis of colorectal cancer. They are also used in preoperative staging and postoperative follow-up of patients, especially patients who are treated with chemotherapy.

Does CA 19-9 fluctuate?

The CA 19-9 level of the patient decreased from 120 U/mL pre-operation to 89 U/mL after resection. Upon receiving chemotherapy, his CA 19-9 level was fluctuating without significant clinical symptoms.

What is a good tumor marker number?

Normal range: < 2.5 ng/ml. Normal range may vary somewhat depending on the brand of assay used. Levels > 10 ng/ml suggest extensive disease and levels > 20 ng/ml suggest metastatic disease.

What is the highest CA 125 level?

While a CA 125 level over 35 may indicate cancer, it does not always mean the person has cancer....CA 125 Levels Chart.

CA 125 Levels (units/mL)	Potential Cancer
0 – 35 (normal)	Unlikely to have cancer. 99% of the time, it means no cancer.
>35 (high)	Possible cancer. More tests will be needed for a diagnosis.

What is the highest tumor marker?

Tumor marker levels may be higher when there is cancer in the body....Guide to Tumor Markers Used in Cancer.

Tumor Marker
Blood test (blood serum marker), except where noted.
"Normal" Results	< 37 U/ml is normal > 120 U/ml is generally caused by tumor
CA 125 Cancer Antigen 125 or Carbohydrate Antigen 125

What happens if tumor markers are high?

High tumor marker levels can be a sign of cancer. Along with other tests, tumor marker tests can help doctors diagnose specific types of cancer and plan treatment. Tumor marker tests are most commonly used to do the following: Learn if a person has cancer.

What is a bad CA 125 level?

The tumor marker Ca 125 is a prognostic factor. Levels around 100 U/l are indicative of a bad prognosis.

What causes elevated ca 19 9?

• CA 19-9 may sometimes be ordered when a healthcare practitioner suspects bile duct cancer in a person with a bile duct obstruction. Non-cancerous causes of bile duct obstruction can cause very high CA 19-9 levels, which fall when the blockage is cleared.

What does CA 19-9 mean in medical dictionary?

• Read medical definition of CA 19-9. CA 19-9: A tumor marker initially found in colorectal cancer patients, but subsequently also identified in patients with pancreatic, stomach, and bile duct cancer. In those who have pancreatic cancer, higher levels of CA 19-9 tend to be associated with more advanced disease.Noncancerous conditions that may elevate CA 19-9 levels include gallstones ...

Does high CA 19-9 blood test mean cancer?

• Healthy people can have small amounts of CA 19-9 in their blood. High levels of CA 19-9 are often a sign of pancreatic cancer. But sometimes, high levels can indicate other types of cancer or certain noncancerous disorders, including cirrhosis and gallstones.