CA 72-4 (Gastric Cancer) Test: Booking, Price, and Results
About CA 72-4 (Gastric Cancer) Test: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | TAG-72 (Tumour-Associated Glycoprotein 72), Cancer Antigen 72-4, CA 72.4, GI Cancer Marker 72-4 |
| Sample Type | Venous blood (serum) |
| Fasting Required | No fasting required |
| Report Time | 3 to 7 working days |
| Recommended For | Adults of all genders, particularly those with suspected or diagnosed gastrointestinal or ovarian cancers |
| Price | Starting at ₹1,900 |
What Is a CA 72-4 (Gastric Cancer) Test?
The CA 72-4 (Gastric Cancer) test measures the level of a protein called Carbohydrate Antigen 72-4 in the blood. This protein is a high molecular weight glycoprotein that is not normally found in healthy tissues. Doctors order this test to support the monitoring of certain cancers, particularly of the stomach and digestive system. It is also known as the TAG-72 test or Gastric Cancer Marker test, and requires a simple blood draw from a vein.
What Does a CA 72-4 (Gastric Cancer) Test Measure?
This test detects a single tumour marker in the blood. Below is a brief explanation of what it looks for:
| Component | What It Is |
|---|---|
| CA 72-4 (TAG-72) | A high molecular weight mucus protein found on the surface of certain cancer cells. It is not present in normal or benign tissues. |
Why Is a CA 72-4 (Gastric Cancer) Test Done?
A doctor may request this test for several reasons, from initial investigation to ongoing cancer monitoring.
Common Symptoms That May Require This Test
The following symptoms may prompt a doctor to order a Gastric Cancer Marker test:
- Persistent or recurring abdominal pain
- Unexplained weight loss
- Loss of appetite lasting more than a few weeks
- Frequent indigestion or bloating
- Difficulty swallowing
- Fatigue without an obvious cause
Conditions This Test Can Help Detect
The CA 72-4 (Gastric Cancer) test may be used when the following conditions are suspected or already diagnosed:
- Gastric (stomach) cancer and other gastrointestinal malignancies, including colorectal cancer
- Ovarian cancer and endometrial cancer
- Pancreatic cancer
- Lung and breast cancers
- Non-cancerous conditions such as liver disease, gastrointestinal disorders, or inflammatory states may also cause mildly elevated levels
CA 72-4 (Gastric Cancer) Test for Chronic Disease Monitoring
For patients already diagnosed with cancer, tracking tumour markers over time is a useful, non-invasive way to follow treatment progress. Changes in CA 72-4 levels can indicate whether a tumour is responding to therapy or showing signs of growth. In some cases, a rise in CA 72-4 has been detected before other clinical signs of recurrence appear. Repeat testing is typically scheduled every 3 to 6 months, depending on the treating oncologist's plan.
How to Prepare and What to Expect
Preparation for this test is straightforward, and the sample collection process is quick and simple.
Do You Need to Fast?
No, fasting is not required for the CA 72-4 test. You can eat and drink normally before your appointment. If your doctor has ordered additional tests at the same time, check whether any of those require fasting.
Practical Tips Before Your Test
The following steps will help ensure a smooth collection and accurate result:
- Drink adequate water before your appointment; being well hydrated makes the veins easier to access.
- Tell the phlebotomist or doctor about all medications, supplements, or herbal products you are taking.
- Share relevant medical history and your doctor's prescription at the time of collection.
- Avoid strenuous physical activity on the day of the test.
Step-by-Step Procedure
Here is what to expect during sample collection:
Factors That Can Affect Accuracy
Several factors can influence your results. Be sure to mention these to your doctor:
- Certain medications and dietary supplements
- Liver or kidney conditions, which may slow the body's clearance of CA 72-4
- Active infections or inflammatory conditions
- Current or former tobacco use, which may be associated with higher CA 72-4 levels
- How the sample is handled and transported before testing
Understanding Your CA 72-4 (Gastric Cancer) Test Results
Results should always be reviewed with your doctor alongside other investigations such as imaging scans, endoscopy reports, and other tumour markers.
| Parameter | Normal Range | Elevated Level | Unit |
|---|---|---|---|
| CA 72-4 | 0 to 7 | Above 7 | U/mL |
These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Certain non-cancerous situations can affect CA 72-4 levels. Your doctor will take these into account when interpreting results.
Benign conditions such as gastritis, peptic ulcers, liver disease, and other inflammatory states can cause a modest rise in CA 72-4 levels. Reduced liver or kidney function may slow the body's ability to clear this protein from circulation, leading to mildly elevated readings even in the absence of cancer. Current or former smoking may also be associated with higher levels.
How to Maintain Healthy Levels
The following general wellness habits support overall health and are worth discussing with your doctor:
Eat a balanced diet with plenty of fruits, vegetables, and whole grains.
Avoid tobacco in all forms and limit alcohol intake.
Keep all scheduled follow-up appointments so your doctor can track any changes over time.
Lupin Diagnostics CA 72-4 (Gastric Cancer) Test Price and Home Collection
The CA 72-4 (Gastric Cancer) test is available at Lupin Diagnostics with home sample collection across major Indian cities, starting at approximately ₹1,900.
| City | Approximate Price (₹) |
|---|---|
| Bangalore | ₹1,900 |
| Mumbai | ₹1,900 |
| Pune | ₹1,900 |
| Hyderabad | ₹1,900 |
| Chennai | ₹1,900 |
| Kolkata | ₹1,900 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Follow these steps to book your TAG-72 test near me or anywhere across India:
Select the test on the Lupin Diagnostics website.
Choose your city and preferred time slot.
Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
Lupin Diagnostics offers home sample collection for the CA 72-4 (Gastric Cancer) test across multiple cities in India. All samples are processed in NABL-accredited laboratories by trained professionals. Your digital report is delivered directly to your email or WhatsApp, making it easy to share with your doctor.
Frequently Asked Questions
The CA 72-4 (Gastric Cancer) test is primarily used to support cancer monitoring, particularly for gastrointestinal and ovarian cancers. It helps doctors track treatment response and detect signs of recurrence. It is not used alone to diagnose cancer.
No fasting is needed for this test. You can eat and drink as normal before your appointment. If your doctor has also ordered other tests that require fasting, follow the instructions for those separately.
Yes, conditions such as liver disease, gastritis, peptic ulcers, and other inflammatory disorders can cause a mild rise in CA 72-4 levels. This is one reason the test is always interpreted alongside clinical findings and imaging, rather than on its own.
No, this is one of the advantages of the TAG-72 test. Unlike some other tumour markers, such as CA 125, CA 72-4 levels are not influenced by pregnancy or phases of the menstrual cycle.
A normal result does not rule out cancer. Around 40% of gastric cancers are associated with normal CA 72-4 levels. Your doctor will always review this result alongside other investigations before drawing any conclusions.
The frequency of repeat testing depends on your doctor's or oncologist's recommendation. For patients under active treatment or surveillance, it is commonly done every 3 to 6 months. Your doctor will advise on the schedule that suits your situation.
CA 72-4 (Gastric Cancer) Test: Booking, Price, and Results
