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Infections

Hepatitis B: HB Surface Antigen (HBs Ag) LIS Code: HBs Ag

Detect active hepatitis B infection with a private HBsAg blood test and accurate results.

→ 3 days → UKAS-accredited lab → No GP referral needed
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Test Price
£55
Results in
3 days
from sample receipt at lab
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Sample
Blood
£55
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⏱ Results in 3 days · LIS: HBs Ag
ℹ️ TAT begins when your sample is received at our lab.
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Phlebotomy Fee: £25
A one-off £25 phlebotomy fee applies per visit — this covers your blood draw regardless of how many tests you book in the same appointment.

Test Categories

Infections Hepatitis Infection Immune System Liver Blood Disorders

About this test

Hepatitis B Surface Antigen (HBsAg) Test in Slough
The HBsAg test is a blood test used to detect the presence of the hepatitis B surface antigen, a key protein found on the surface of the hepatitis B virus (HBV). It is one of the most reliable and earliest markers of hepatitis B infection, commonly used for diagnosis and monitoring.

Understanding HBsAg and Its Role
When an individual becomes infected with HBV, the virus begins to replicate, prompting the immune system to produce HBsAg. This antigen typically appears in the blood within 1 to 10 weeks after exposure. Its presence indicates an active hepatitis B infection, whether recent (acute) or long-standing (chronic).

Importance of HBsAg Testing
HBsAg testing is a crucial tool in the early detection of hepatitis B, allowing healthcare providers to identify infections before complications arise. It also plays a significant role in monitoring chronic HBV cases and evaluating treatment effectiveness.

Comprehensive Hepatitis B Screening in Slough
HBsAg testing is often performed alongside other hepatitis B tests, such as hepatitis B core antibody (HBcAb) and hepatitis B surface antibody (HBsAb). This comprehensive screening helps determine the stage of infection and assess the risk of chronic liver conditions such as cirrhosis or liver cancer.

Who Should Get Tested?
HBsAg testing is essential for individuals at risk of HBV infection, including:

People with symptoms of liver disease

Pregnant women (as part of routine antenatal screening)

Sexual partners of infected individuals

People born in countries with high hepatitis B rates

Healthcare workers and blood donors

Private Hepatitis B Testing in Slough and Nearby Areas
Vitalync Diagnosis provides professional HBsAg testing in Slough and surrounding areas including Windsor, Maidenhead, Langley, and the wider Berkshire region. Our private blood test clinic offers accurate results, confidentiality, and support for anyone concerned about hepatitis B exposure or seeking routine liver health checks.

Book your HBsAg test in Slough today for early detection and peace of mind regarding your liver health.

Our Professional Services Our diagnostic testing is carried out by Medical Diagnosis, a UKAS ISO 15189 accredited laboratory, ensuring all results meet the highest UK standards of quality and accuracy. Clinical consultations and treatments, including Testosterone Replacement Therapy (TRT) and Weight Management programmes, are delivered through Medical Diagnosis Victoria, which is registered with the Care Quality Commission (CQC). All clinical services are provided by GMC-registered doctors with extensive experience, following thorough medical assessment in line with UK regulatory standards.
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