Pacific · Cancer & Tumor Marker Tests
Cancer & Tumor Marker Tests in California
Cancer & Tumor Marker Tests is a laboratory test you can request directly. These tests look for specific substances in your body that may indicate the presence of cancer or a tumor.
What this test is
Cancer and tumor marker tests are laboratory analyses that detect certain substances, often proteins, produced by cancer cells or by the body in response to cancer. Elevated levels can sometimes suggest the presence of a tumor or cancer.
What it measures
- Alpha-fetoprotein (AFP) — a protein that can be elevated with certain liver or germ cell cancers
- CA 125 — a marker that can be elevated with ovarian cancer
- CA 19-9 — a marker that can be elevated with pancreatic, bile duct, or gallbladder cancer
- Carcinoembryonic antigen (CEA) — a protein that can be elevated with various cancers, especially colorectal cancer
- PSA (Prostate-Specific Antigen) — a protein that can be elevated with prostate cancer
What the test involves
This testing typically involves a standard blood draw from a vein in your arm. In some cases, a urine sample may be required.
Why it is often ordered
Clinicians may order these tests to help detect certain types of cancer, monitor the progress of cancer treatment, or check for cancer recurrence. They can also be used to assess the effectiveness of therapy.
Preparation
Follow the specific preparation instructions provided by the laboratory where you will have your sample collected. This may include fasting or avoiding certain foods or medications.
How results are reported
Your results will be reported to you, usually within a few business days. Reference ranges, which indicate what is considered normal, vary between laboratories.
Before you go
- Collection site hours
- Specific preparation needs
- Result reporting method
Cities
Cancer & Tumor Marker Tests in California communities
Choose your city for local context and to request this test.