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Hepatitis C Virus Core Antibody Screening (Serum)

Published: August 9, 2026Updated: August 16, 2026

This test detects antibodies to the hepatitis C virus (HCV) in your blood, helping identify if you’ve been exposed to the virus.

Quick summary

["A simple blood test to check for past or current hepatitis C infection."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
54914-7
Short code
HCV core Ag Ser IA-aCnc
Synonyms
HCV core Ag Ser IA-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ia
CPT
86803
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

This test matters because hepatitis C often causes no symptoms for years while it quietly damages the liver. Detecting the infection early gives you the best chance to begin treatment, protect your liver health, and lower your risk of serious problems such as cirrhosis or liver cancer.

Hepatitis C is a bloodborne virus that can cause long-term liver damage if untreated. This screening test is the first step in diagnosing whether you’ve been exposed to the virus, even if you don’t yet have symptoms.

Before the test, you can usually eat, drink, and take your regular medications as you normally would unless your provider tells you otherwise. A member of your care team will clean a small spot on your arm, wrap a band around your upper arm, and draw a blood sample, which takes only a few minutes.

No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood. The process usually takes a few minutes. If you’re nervous, let your healthcare provider know so they can help you relax.

Results are reported as reactive (positive) or non-reactive (negative). A reactive result means antibodies to hepatitis C were found in your blood, showing you were exposed to the virus at some point. A non-reactive result usually means no infection was detected, although testing very soon after an exposure can sometimes miss a recent infection.

A positive result means your body has produced antibodies against hepatitis C, suggesting past or current infection. A negative result means no antibodies were detected, but this doesn’t guarantee you’re not infected. Follow-up testing may be needed for confirmation.

If your result is reactive, your provider will order a follow-up test to see whether the virus is still active in your body. If it is, modern antiviral medicines can cure hepatitis C in most people within eight to twelve weeks. If your result is non-reactive, ask your provider whether repeat testing makes sense based on your risk factors.

If your test is positive, your doctor will likely order additional tests (like HCV RNA testing) to confirm the infection and determine your treatment options. If negative, they may recommend retesting later if you have risk factors for hepatitis C.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Role in Diagnosis and Management

Short name

HCV Antibody Screen

Frequently asked questions

This screening test is critical for early detection of hepatitis C, which can lead to chronic liver disease, cirrhosis, or liver cancer if untreated. It helps healthcare providers identify infected individuals for treatment and monitoring.
What exactly does a reactive, or positive, hepatitis C antibody result mean for my health and for the people close to me?
A positive result indicates your body has detected antibodies to hepatitis C, meaning you may have been exposed to the virus at some point. This doesn’t always mean you’re currently infected, but it signals the need for further testing to confirm and guide next steps.
Is there any chance that I could catch hepatitis C from the needle or from having this blood test performed at the lab?
No, this test only detects antibodies in your blood. It does not expose you to the virus. The blood sample is processed and disposed of safely after testing.
If you have risk factors for hepatitis C (e.g., past blood transfusions, needle use, or exposure to infected blood), your doctor may recommend screening every few years or as needed. Always follow your healthcare provider’s guidance.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy