Anti-HCV Test Explained: Detecting Hepatitis C Infection Early

Viral hepatitis remains a significant public health concern. Hepatitis C is a liver inflammation that can cause serious damage to the liver. It occurs due to the hepatitis C virus (HCV). The infection may be acute or chronic, and many individuals may not experience noticeable symptoms in early stages. The range of severity may differ from mild to a serious one, with complications including liver cirrhosis, liver failure, or liver cancer.

Hepatitis C largely occurs due to exposure to infected blood. Common causes include unsafe injection practices, transfusion of unscreened blood or blood products, and sharing needles and syringes among people who inject drugs. The virus may also spread from an infected mother to her baby during childbirth. Certain sexual practices involving blood exposure may also raise the risk of transmission. In addition, getting tattoos or body piercings with unsterilised equipment, or sharing personal items such as razors, toothbrushes or nail clippers contaminated with blood, may contribute to the spread of infection.

Globally, an estimated 1 million new infections are recorded every year. Although currently there is no vaccine available for hepatitis C, effective antiviral treatments can cure most cases when diagnosed early.

Symptoms

Most people infected with Hepatitis C often come with no symptoms or only mild ones. Some of these symptoms may include:

• Bleeding easily
• loss of appetite
• joint pain
• Bruising easily
• nausea and vomiting
• fever
• abdominal pain
• feeling very tired
• dark urine
• pale faeces
• jaundice (yellowing of the skin or eyes)

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Evaluation

The exposure to HCV infection is evaluated through serological detection of HCV antibodies (anti-HCV) by using a serum or plasma sample from venous blood. The test looks for proteins, or antibodies, that the immune system develops to fight a hepatitis C infection. These antibodies usually become detectable approximately 8 to 10 weeks after exposure.

A positive result may indicate exposure to the virus at some point; however, additional testing such as HCV RNA testing may be required to confirm active infection and determine the viral load.

Preparation

No special preparation or fasting is needed for this test. Individuals can eat and drink as usual before the test unless advised otherwise for additional tests.

Before sample collection:

• Inform the healthcare provider about any medications or supplements being taken, including biotin supplements.
• Wear loose or short-sleeved clothing for easier access to the arm.
• Staying hydrated may help improve vein visibility during blood collection.

Procedure

For the sample purpose, a trained phlebotomist will draw the blood. First, the lab technician will place a rubber band around the upper arm to increase the flow of blood in the arm. The patch on the arm is then cleared with rubbing alcohol. Then a needle is inserted into the cleaned area, and a blood sample is taken in a tube. This sample is then sent to the diagnostic facility to detect the presence of the Hep C virus in the blood.

If the test comes out to be positive, then your healthcare provider may suggest additional tests to assess the stage of the infection and guide the treatment plan.

Disclaimer: This information is for general purposes only. For personalised guidance, consult a qualified healthcare professional.