Ordering the Cancer Antigen 19-9 Test
The Cancer Antigen 19-9 test is a valuable tool for monitoring certain types of cancer, particularly pancreatic cancer. It helps in assessing the effectiveness of treatment and detecting any recurrence. Interestingly, CA 19-9 is not only elevated in cancer but can also be increased in non-cancerous conditions like pancreatitis and liver disease.
Understanding the specific benefits of this test can guide your decision:
- Monitors treatment response in pancreatic cancer.
- Helps detect cancer recurrence early.
- Assists in differentiating between cancerous and non-cancerous conditions.
- Provides additional information when used with other diagnostic tools.
- Supports personalized treatment planning.
Who Should Consider the Test
Individuals with a family history of pancreatic cancer or those experiencing persistent digestive issues may find this test beneficial. For instance, someone with chronic pancreatitis might use this test to monitor their condition and rule out cancer.
Consider these scenarios where the test might be relevant:
- Experiencing unexplained weight loss and abdominal pain.
- Having a history of liver disease with new symptoms.
- Undergoing treatment for pancreatic cancer to track progress.
- Diagnosed with a gastrointestinal tumor and need further evaluation.
- Experiencing jaundice without a clear cause, which may indicate a need for further investigation.
Explore these scenarios to determine if this test aligns with your needs.
How to Prepare for the Test
No fasting is required for the Cancer Antigen 19-9 test. If you are taking any medications or supplements, ensure you follow any specific instructions given by your healthcare provider.
Labs Included When Ordering Your Cancer Antigen 19-9 Test
| Test Name | Reference Range | Significance | Low and High Levels of Cancer Antigen 19-9 |
|---|---|---|---|
| Cancer Ag 19-9 | 0-37 | Cancer Antigen 19-9 is a protein that can be elevated in pancreatic cancer. It is used to monitor treatment and detect recurrence. | High levels mean potential cancer presence or recurrence.
Low levels mean likely absence of cancer or effective treatment. |
Reference ranges can vary. For the most accurate and up-to-date reference ranges for this lab test, visit Quest Diagnostics.
Cancer Antigen 19-9 FAQ
Is there Cancer Antigen 19-9 testing near me?
You can find nearby draw locations using our patient service center locator, which also offers mobile phlebotomy options.
What is the cost of the test?
The cost of the Cancer Antigen 19-9 test is available at the top of the page. Pricing includes draw fees when visiting patient service centers.
How often should I retest?
Retesting frequency for the Cancer Antigen 19-9 test depends on your treatment plan and monitoring needs. Regular testing may be advised during and after cancer treatment to track progress and detect recurrence.
How accurate is the test?
The Cancer Antigen 19-9 test uses a blood sample to measure the level of the antigen, providing valuable information about cancer presence. The accuracy of the test is supported by the use of advanced laboratory techniques. TrueHealthLabs.com partners only with CLIA-certified labs to ensure high-quality testing.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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