Measures CA 19.9 tumor marker used in pancreatic and gastrointestinal follow-up context.
Download Ca 19.9 Test Visual Guide infographic (PNG)
| Result context | Guide |
|---|---|
| Common cut-off | about 37 U/mL |
| Raised | needs context |
| Trend | follow-up value |
CA 19.9 is not diagnostic alone and can rise with non-cancer bile/liver conditions.
Ca 19.9 is a laboratory test that measures a result in a Blood (Serum) sample. It may be ordered to investigate symptoms, support a diagnosis or monitor a condition, depending on your clinician's advice.
The current booking price is shown at Rs. 1070 against an MRP of Rs. 1410, inclusive of taxes where applicable.
No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. Home sample collection is available in serviceable cities. A trained phlebotomist collects the sample using sterile equipment, and the report is shared online after processing.
Reference ranges vary by laboratory and method. Use the range printed on your final report. The information below is educational only.
| Measure | Typical guide | Note |
|---|---|---|
| Result unit | U/mL | Use the reference range printed on your final report. |
| High CA 19-9 | Above lab range | May occur with pancreatic/bile duct cancer or benign bile/liver conditions. |
| Trend use | Serial CA 19-9 | Often used for monitoring, not standalone diagnosis. |
| Reason | Description |
|---|---|
| Tumor marker | Often used in pancreatic cancer monitoring. |
| Treatment follow-up | May help assess treatment response. |
| Bile duct context | Can rise with bile duct blockage or inflammation. |
| Situation | Description |
|---|---|
| Symptoms/context | Jaundice, weight loss, abdominal pain, imaging abnormality. |
| Non-cancer causes | Pancreatitis, gallstones, liver disease or bile duct blockage. |
| Follow-up users | People under gastroenterology/oncology monitoring. |
| Topic | Guidance |
|---|---|
| Fasting | No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. |
| Important limit | Some people cannot produce CA 19-9. |
| Interpretation | Use with imaging and clinical findings. |
Home sample collection for Ca 19.9 is available in the cities below, subject to confirmation of your pincode at booking.
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General testing guide 
General testing guide 
General testing guide 
General testing guide Your sample is collected by a trained phlebotomist and sent to the partner laboratory for analysis. The laboratory processes the sample using its validated procedures and quality controls. Your final report shows the result, unit and reference range used for that test. Discuss an unexpected or abnormal result with your clinician.
