Is There a Blood Test for Liver Cancer? (Yes — Here’s How to Get One at Home)

Yes, blood tests can help screen for signs associated with liver cancer, but they cannot confirm a diagnosis on their own. The traditional AFP blood test measures a protein that may increase in some people with liver cancer. Newer molecular blood tests can look for cancer-associated biomarkers that AFP testing may miss.

MoleculeDx offers the Fusion-detect™ blood-based liver cancer screening test, which delivers 95% overall accuracy in its clinical validation data. A certified phlebotomist can collect the blood sample from your home, making liver cancer screening more accessible for people who have difficulty visiting a hospital or laboratory. Results are delivered digitally, typically within 24 hours of the sample reaching the laboratory.

What Types of Blood Tests Detect Liver Cancer?
Several blood tests may support liver cancer screening and evaluation.

AFP Test

The alpha-fetoprotein or AFP test measures the amount of AFP in the blood. It is one of the most widely used blood markers associated with hepatocellular carcinoma, or HCC—the most common form of primary liver cancer.

However, AFP is not specific to liver cancer. Levels can also increase because of hepatitis, cirrhosis, pregnancy, or other medical conditions. Some people with liver cancer may also have normal AFP levels.

Liquid Biopsy

Molecular blood tests look for cancer-associated changes or biomarkers released into the bloodstream. Depending on the test, these may include circulating tumor DNA, RNA signals, methylation patterns, or other molecular markers.

These technologies may provide information that is not available through AFP testing alone. However, they should be used as part of a broader, physician-guided screening plan rather than as standalone diagnostic tests.

ctDNA Testing

Molecular blood tests look for cancer-associated changes or biomarkers released into the bloodstream. Depending on the test, these may include circulating tumor DNA, RNA signals, methylation patterns, or other molecular markers.

These technologies may provide information that is not available through AFP testing alone. However, they should be used as part of a broader, physician-guided screening plan rather than as standalone diagnostic tests.

Can a Blood Test Diagnose Liver Cancer?

No. A blood test alone cannot confirm liver cancer.

Blood tests can identify abnormal proteins or molecular signals that suggest further evaluation may be needed. A diagnosis usually requires imaging tests such as an ultrasound, contrast-enhanced MRI, or CT scan. In some situations, a biopsy may also be considered, although imaging can sometimes provide enough information without one.

What Is an AFP Test?

AFP is a protein naturally produced during fetal development. In healthy adults it stays very low. Normal levels are below 10 ng/mL. Levels above 400 ng/mL in someone with a liver mass are a serious warning sign for liver cancer. AFP can also rise from cirrhosis or hepatitis — so a high result means further testing is needed, not that cancer is confirmed. AASLD guidelines recommend AFP testing combined with ultrasound every six months for high-risk patients.

How Accurate Are These Tests?

The accuracy depends on the test being used.

AFP testing alone may miss a meaningful number of liver cancers, particularly when AFP levels remain normal. This is why AFP should not be considered a definitive test or used alone to rule out liver cancer.

MoleculeDx reports that its Fusion-detect™ test achieved:

• 95% overall accuracy
• 94.2% sensitivity
• 95% specificity

Fusion-detect™ is designed to identify fusion-gene biomarkers associated with HCC, including signals that may be present when AFP levels are normal. It remains a screening-support tool and does not replace imaging, clinical evaluation, or a confirmed diagnosis.

What Is MoleculeDx and How Does It Work?

MoleculeDx is a molecular diagnostics company focused on accessible, early liver cancer detection. Their proprietary Fusion-detect™ platform uses AI-powered genomic sequencing to identify liver cancer fusion gene biomarkers in a standard blood sample — biomarkers that conventional AFP tests are unable to detect.

The Fusion-detect™ test achieves 95% overall accuracy (94.2% sensitivity, 95% specificity), compared to approximately 52% for standard AFP testing alone. The technology has been trained on more than 50,000 patient samples across four AI model generations since 2014, and is validated by a CLIA-certified lab.

A certified phlebotomist visits your home, collects a blood sample in under 10 minutes, and results are delivered digitally within 24 hours — with no hospital visit, biopsy, or specialist referral required.

Can I Take a Liver Cancer Blood Test at Home?

Yes. MoleculeDx provides at-home blood collection through certified phlebotomy partners.

Instead of travelling to a hospital or laboratory, you can schedule a convenient collection window. A trained phlebotomist visits your home and performs a standard blood draw.

This option can be particularly helpful for older adults, people with mobility limitations, patients in rural areas, and individuals who require regular liver cancer surveillance.

How Does Home Blood Collection Work?

The MoleculeDx home collection process generally includes four steps:

1. Schedule the Test

Choose the test and book an available home collection window online.

2. Complete the Home Blood Draw

A certified phlebotomist visits your address during the selected arrival window. The blood draw usually takes around 5 to 10 minutes.

3. Send the Sample to the Laboratory

The sample is labelled, securely packaged, and transported to the laboratory for Fusion-detect™ molecular analysis.

4. Receive the Digital Report

MoleculeDx states that Fusion-detect™ reports are generally delivered digitally within 24 hours after the sample reaches the laboratory. The report should then be reviewed with a qualified healthcare professional.

Who Should Consider Liver Cancer Screening?

Liver cancer screening is generally considered for people with conditions that increase their risk of developing HCC, including:

• Liver cirrhosis
• Chronic hepatitis B
• Chronic hepatitis C
• Alcohol-related liver disease
• Metabolic dysfunction-associated steatotic liver disease
• A family history of liver cancer
• Type 2 diabetes combined with chronic liver disease

People with cirrhosis or chronic hepatitis should discuss the appropriate screening schedule with their healthcare provider. You can also learn more about cirrhosis and liver cancer screening.

Should You Wait for Liver Cancer Symptoms?

No. Liver cancer may not cause noticeable symptoms during its early stages.

Symptoms such as unexplained weight loss, abdominal discomfort, jaundice, swelling, reduced appetite, and fatigue may appear only after the disease has progressed. People at increased risk should follow an appropriate surveillance plan rather than waiting for symptoms.

What Happens After a High-Risk Blood Test Result?

A high-risk or abnormal blood test result does not automatically mean that you have liver cancer.

The next steps may include:

• Reviewing your medical history and risk factors
• Repeating laboratory tests
• Performing an abdominal ultrasound
• Ordering a contrast-enhanced MRI or CT scan
• Considering a biopsy when imaging remains unclear

CT and MRI scans can sometimes provide enough evidence to diagnose liver cancer without a biopsy.

How Much Does an At-Home MoleculeDx Test Cost?

MoleculeDx currently lists its at-home Fusion-detect™ test at $160, including home phlebotomy, molecular analysis, and a digital report.

Prices and insurance coverage can change, so patients should verify the current cost and eligibility during the booking process.

Take Control of Your Liver Health

If you have cirrhosis, chronic hepatitis, fatty liver disease, or another liver cancer risk factor, regular screening can help identify concerning changes before symptoms develop.

MoleculeDx makes blood-based liver cancer screening more accessible through Fusion-detect™, offering 95% overall accuracy, at-home blood collection, and secure digital results.

Book Your Consultation Today

Fusion-detect™ is a screening-support test and is not a substitute for medical diagnosis. All results should be reviewed with a qualified healthcare professional.

Frequently Asked Questions

What blood test is used to detect liver cancer?

AFP is the most commonly used blood marker for liver cancer. Molecular tests such as MoleculeDx Fusion-detect™ can also look for cancer-associated biomarkers that may not cause an elevated AFP result.

How accurate is the MoleculeDx Fusion-detect™ test?

MoleculeDx reports 95% overall accuracy, with 94.2% sensitivity and 95% specificity in its stated clinical validation data.

Can a blood test confirm liver cancer?

No. A blood test can identify signs that require further investigation, but liver cancer is normally confirmed using clinical evaluation and imaging such as CT or MRI.

Can liver cancer be detected when AFP is normal?

Yes. Some people with liver cancer have normal AFP levels. Fusion-detect™ is designed to identify fusion-gene biomarkers that may be present even when AFP is not elevated.

Can I complete the test from home?

Yes. MoleculeDx offers home blood collection through certified phlebotomy partners. A trained professional visits your address and collects a standard blood sample.

How long does the blood draw take?

The blood draw itself generally takes approximately 5 to 10 minutes.

How quickly are results available?

MoleculeDx states that Fusion-detect™ results are generally delivered digitally within 24 hours after the laboratory receives the sample.

Does a high AFP result always mean liver cancer?

No. AFP can also increase because of hepatitis, cirrhosis, pregnancy, and other conditions. Further medical evaluation is necessary.

How often should high-risk patients be screened?

Many people with cirrhosis and certain chronic hepatitis B risk profiles are advised to undergo HCC surveillance approximately every six months. The appropriate screening schedule should be determined by a qualified healthcare professional.

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