Hepatitis B "s" Ag (HBs Ag)
Hepatitis B “s” Ag (HBs Ag) Test – Screen for Hepatitis B Infection
The Hepatitis B Surface Antigen (HBs Ag) Test detects the presence of the hepatitis B surface antigen in the blood, indicating an active hepatitis B virus (HBV) infection. This test is a cornerstone of viral hepatitis screening and is used to diagnose acute or chronic HBV, monitor infection status, and determine immunity or carrier state.
Symptoms That Indicate You May Need This Test
If you experience any of the following, especially with risk factors like IV drug use, unprotected sex, or travel to endemic areas:
- Fatigue and weakness
- Jaundice (yellowing of skin and eyes)
- Dark urine and pale stools
- Abdominal pain, especially in the upper right quadrant
- Nausea, vomiting, or loss of appetite
- Joint pain and fever
These may indicate acute hepatitis B infection. However, many people are asymptomatic, making screening essential.
Natural Production and Role in the Body
The hepatitis B surface antigen (HBsAg) is a protein found on the surface of the hepatitis B virus. It appears in the blood 6–16 weeks after exposure and is the first marker of infection. Its presence indicates that the virus is actively replicating and the person is contagious. In acute infection, HBsAg usually disappears within 6 months. Persistence beyond 6 months suggests chronic infection.
What Happens If Left Untreated?
Chronic hepatitis B can lead to severe liver complications, including:
- Cirrhosis (scarring of the liver)
- Liver failure
- Hepatocellular carcinoma (liver cancer)
- Transmission to others through blood or bodily fluids
- Fulminant hepatitis (rare but life-threatening)
Early detection allows for monitoring, antiviral treatment, and lifestyle changes to protect liver health.
Test Overview
A 2 mL blood sample is collected in an SST or red-top tube. The test uses immunoassay methods to detect HBsAg in serum. Results are typically available the same day. A positive result requires follow-up testing (e.g., HBV DNA, liver function tests) to determine infection stage and treatment needs.
Frequently Asked Questions (FAQs)
Can I have hepatitis B without symptoms?
Yes—many people, especially children, have no symptoms but can still spread the virus.
Does a positive test mean I’m immune?
No—positive HBsAg means active infection. Immunity is indicated by positive anti-HBs antibodies, usually from vaccination or recovery.
Who should get tested?
Recommended for pregnant women, healthcare workers, people with multiple sexual partners, IV drug users, and those from regions with high HBV prevalence.
Quick Summary
Hepatitis B "s" Ag (HBs Ag) Price AED 150, Sample 2 ML, Results in SAME DAY. Fasting. Home collection available.
Test Overview
Result Time
SAME DAY
Sample Type
2 ML
Category
Infectious
How to Prepare
Preparation Instructions for Hepatitis B “s” Ag (HBs Ag) Test
No special preparation is needed for the HBs Ag test. However, the following steps ensure accurate and timely results:
- Fasting: Not required.
- Medications: Inform your doctor about all medications, though most do not affect HBsAg detection.
- Diet: No restrictions; eat and drink normally.
- Hydration: Drink water to make blood draw easier.
- Timing: Best done at least 6 weeks after potential exposure for accurate detection.
This test is safe and requires only a standard blood draw. It is often included in routine health screenings or pre-employment panels.
Why You Need This Test
Why You Need the Hepatitis B “s” Ag Test
The HBs Ag Test is a critical tool in preventing liver disease and controlling the spread of hepatitis B. It helps:
- Diagnose acute or chronic HBV infection
- Identify contagious individuals to prevent transmission
- Screen pregnant women to prevent mother-to-child transmission
- Ensure safety in blood donations and organ transplants
- Guide vaccination and treatment decisions
With over 290 million people living with chronic hepatitis B worldwide, early detection through this simple blood test saves lives. It is essential for public health, personal wellness, and long-term liver protection.
At a Glance
Quick Facts
- • Price AED 150
- • Sample 2 ML
- • Results in SAME DAY
- • Fasting Required
What It Measures
Hepatitis B “s” Ag (HBs Ag) Test – Screen for Hepatitis B Infection The Hepatitis B Surface Antigen (HBs Ag) Test detect...
Frequently Asked Questions
How accurate is the Hepatitis B "s" Ag (HBs Ag)?
Our lab tests are processed in certified laboratories with quality assurance protocols, ensuring high accuracy and reliable results for clinical decision making.
How should I prepare for this test?
Preparation Instructions for Hepatitis B “s” Ag (HBs Ag) Test No special preparation is needed for the HBs Ag test. However, the following steps ensure accurate and timely results: Fasting: Not requi...
When will I get my results?
Results are typically available within SAME DAY and will be delivered digitally to your registered email address with detailed explanations.
Is home collection available for this test?
Yes, we offer convenient home collection services across UAE. Our trained phlebotomists will collect your sample at your preferred time and location.
Can I book this test online?
Absolutely! You can book the Hepatitis B "s" Ag (HBs Ag) online through our platform. Choose your preferred date, time, and location for sample collection.
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