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Reading a hepatitis C report: antibody, RNA and genotype | CION Cancer Clinics
A positive antibody test means you have met the hepatitis C virus at some point. Only an RNA test, often called PCR, shows whether the virus is active in your blood today. This page explains each line on the report, what your combination of results means, and why clearing the virus does not end liver cancer surveillance for people with cirrhosis. At CION Cancer Clinics, our specialists help you understand your own risk and plan regular liver checks that fit it.
On this page
- What is the difference between a hepatitis C antibody test and an RNA test?
- What does my combination of results mean?
- What do the words on a hepatitis C report mean?
- What happens after the RNA test shows an active infection?
- What do people often get wrong about a hepatitis C report?
- What this page cannot tell you
- Common questions about hepatitis C reports
The short answer
What is the difference between a hepatitis C antibody test and an RNA test?
The antibody test tells you whether you have ever met the hepatitis C virus. The RNA test, often called the PCR or viral load test, tells you whether the virus is in your blood right now. You need both answers before anyone can say you have an active infection.
Why a positive antibody is not the whole story
Antibodies are the marks your immune system leaves after a fight. They usually stay for life, even if your body cleared the virus on its own years ago, or treatment cleared it. So a positive antibody result means "you were exposed at some point". It does not mean "you are infected today".
Why the RNA result decides what happens next
If the RNA test finds the virus, the infection is active and it can slowly scar the liver. That is the person who needs treatment. If the RNA test finds nothing, the infection is not active, and treatment is not needed. Many people are told only the antibody result at a blood bank, a pre-surgery check or a health camp, and spend months worrying before anyone orders the second test.
Hepatitis C is curable with modern tablets. Reading the report correctly is the first step towards that.Four possible results
What does my combination of results mean?
Read the two lines together. Each pairing points to a different next step.
Antibody negative
You have most likely never had hepatitis C. Usually nothing more is needed. The one exception is a very recent exposure, because antibodies take time to appear. Your doctor may repeat the test later, or order an RNA test straight away.
Antibody positive, RNA not detected
You met the virus in the past and it is no longer active. Either your body cleared it, or earlier treatment did. You do not need antiviral tablets. Your doctor may still want to know how healthy your liver is.
The antibody will stay positive. That is expected.Antibody positive, RNA detected
This is an active infection. It needs a doctor's assessment and, almost always, treatment with tablets.
What comes next
- A check of how much scarring the liver has
- Tests for hepatitis B and HIV
- A plan for antiviral tablets
RNA detected, antibody negative
This is uncommon. It can happen very early in an infection, before antibodies form. It can also happen in people on dialysis or with a weak immune system. It is still an active infection.
Not sure whether this applies to you?
Ask an oncologistOn your report
What do the words on a hepatitis C report mean?
- Anti-HCV, reactive or non-reactive
- The antibody test. Reactive means antibodies were found. Non-reactive means none were found. A rapid card test gives the same kind of answer and is confirmed with a laboratory test.
- Signal to cut-off ratio
- How strongly the antibody test reacted. A weak reaction can sometimes be a false positive, which is one more reason the RNA test is done.
- HCV RNA, qualitative
- A yes or no answer: is the virus present in the blood today?
- HCV RNA, quantitative or viral load
- How much virus is in the blood. A higher number does not mean worse liver damage. It is mainly useful for confirming the infection and checking the result after treatment.
- Not detected, or below the limit
- The test could not find the virus. After treatment, this is the result you are hoping for.
- Genotype
- The strain of the virus. It once decided the whole treatment. With modern tablets that work against every strain, many doctors no longer need it before starting.
After a positive result
What happens after the RNA test shows an active infection?
A doctor reviews every result together
A hepatologist or physician looks at the antibody, the RNA and your liver blood tests side by side. Bring every report you have, including old ones from a blood bank or a camp.
The liver is checked for scarring
Usually this is an ultrasound and a FibroScan, a painless scan that measures how stiff the liver is. CION arranges these through diagnostic partners. The answer matters more than any other result on the page.
Treatment with tablets is planned
Antiviral tablets are prescribed by the treating hepatologist or physician. Read about the medicines on our page on direct-acting antivirals in India.
A repeat RNA test after treatment
Some weeks after the last tablet, the RNA test is repeated. If the virus is still not found, the infection has been cleared. Doctors call this a sustained virological response.
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Clearing hepatitis C does not erase scarring that is already there. If your liver had cirrhosis before treatment, you still need regular liver cancer surveillance afterwards, usually an ultrasound with or without an AFP blood test at intervals your doctor sets.
Commonly believed
What do people often get wrong about a hepatitis C report?
Not necessarily. Only a positive RNA test shows an active infection. Plenty of people with a positive antibody have no virus in their blood at all.
It usually stays positive for life. Success is measured with the RNA test, not the antibody. Doctors check for a new infection with the RNA test too, for the same reason.
The amount of virus and the amount of scarring are separate questions. Someone with a low viral load can have cirrhosis. Only a scarring assessment answers that.
The risk falls, but it does not vanish for everyone. People who already had cirrhosis stay at higher risk and keep having scans. Our page on why surveillance continues explains this.
Being straight with you
What this page cannot tell you
It cannot read your own report. Laboratories use different tests and different ways of writing the result. A borderline antibody reaction, an RNA result near the limit of the test, or results from two different laboratories need a doctor who can see the whole picture.
It cannot tell you how healthy your liver is
Nothing on a hepatitis C report measures scarring. Two people with identical virus results can have very different livers. The scarring check decides how closely you are followed after treatment, and whether liver cancer surveillance is needed for the long term.
Who this does not apply to
This page is about adults. Babies born to a mother with hepatitis C are tested differently, because a mother's antibodies cross to the baby and can make an early antibody test misleading. If you are already being treated for liver cancer, read about hepatitis C treatment when you already have cancer instead.
Not sure what your report means? Call the helpline and someone will help you work out the next test to ask for.Questions we are asked
Common questions about hepatitis C reports
Can a hepatitis C antibody test be falsely positive?
Yes, occasionally, especially when the reaction is weak. That is one reason a positive antibody is always followed by an RNA test. If the RNA test finds no virus, your doctor will decide whether any further testing is needed, based on your history and the strength of the antibody reaction.
Is PCR the same as an RNA test?
Yes, in everyday use. PCR is the laboratory method used to find the genetic material of the virus, which is RNA. Your report may say HCV RNA, HCV PCR or HCV viral load. A qualitative test answers yes or no, and a quantitative test also gives an amount.
Do I still need a genotype test?
Often not. Modern tablet combinations work against every strain, so many doctors in India start treatment without it. It may still be ordered for people with cirrhosis, those treated before without success, or where the combination being considered depends on the strain. Your doctor will say whether you need it.
My blood bank said I was positive. What should I do?
Blood banks screen for antibodies, and some use very sensitive tests. Do not panic and do not assume you are infected. Ask a doctor for an HCV RNA test. That single result tells you whether there is anything to treat at all.
My liver tests are normal. Can I still have active hepatitis C?
Yes. Many people with an active infection have normal or only slightly raised liver enzymes for years. Normal liver tests do not rule out the virus or scarring. The RNA test answers the first question and a scarring assessment answers the second.
Should my family be tested?
It is reasonable to talk to your doctor about it, especially for a sexual partner or anyone who shared razors, needles or medical exposures with you. Hepatitis C does not spread by sharing food or hugging. Our page on testing the family explains who should ask.
Can I get hepatitis C again after it has been cleared?
Yes. Clearing the virus does not give you protection, and there is no vaccine. A new exposure can cause a new infection. Because the antibody stays positive anyway, a new infection is checked with the RNA test, not with another antibody test.
Where can I get help understanding my report?
Take every report you have to a hepatologist or a physician who treats hepatitis. If you have cirrhosis or a liver scan that worried someone, CION's oncologists can review the scan and plan follow-up. Call the CION helpline if you are not sure where to start.
Meet CION's liver cancer specialists. Bring your scan reports and liver blood tests.
Our medical and surgical oncologists plan liver cancer care together, weighing the tumour and how well your liver works before choosing surgery, a liver-directed procedure or medicines.
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
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Sources
- NHS — Hepatitis C
- World Health Organization — Hepatitis C
- MedlinePlus — Hepatitis C
- NIDDK — Hepatitis C - NIDDK
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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Not sure what your hepatitis C report means?
Send us your reports and we will help you work out which test or doctor comes next. If there is scarring or a scan finding, our oncologists can plan the follow-up. One helpline serves every CION centre.