Hepatitis B s (Surface) Antigen

1150
4.8
NABL, CAP
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Overview
Test Results & Interpretations

Overview of Hepatitis B s (Surface) Antigen

Test Description

This test is ordered when you have signs and symptoms of acute hepatitis like loss of appetite, jaundice, nausea, vomiting, abdominal pain. Hepatitis B surface antigen test may be used for screening high risk people like homosexuals, people infected with HIV, pregnant women etc. Sometimes, it may also help in diagnosing chronic hepatitis B infection.

Why Get Tested

  1. If you have signs or symptoms associated with acute hepatitis to determine if they are due to Hepatitis B infection. Various signs and symptoms include fever, loss of appetite, nausea, vomiting, abdominal pain, jaundice, dark urine 
  2. As a follow up test if routine tests like ALT and AST are elevated 
  3. If you are at high risk for chronic Hepatitis B infection like close contact with someone infected with HBV, pregnant woman, if you are infected with HIV, homosexual men 
  4. At a regolar basis to monitor people with chronic hepatitis B infection

Precautions

  • No special preparation required

What Results of Hepatitis B s (Surface) Antigen mean?

Interpretations

       The tests for hepatitis B can be ordered individually but usually ordered in combination with other tests 

  • Positive HBsAg along with positive hepatitis B e antigen tests usually indicate acute infection with the virus and in the infective stage 
  • Positive hepatitis B surface antigen along with positive core and envelope antibody denotes chronic infection but low risk of infection i.e. carrier state 
  • Negative HBsAg with positive hepatitits B surface antibody usually indicates no active or prior infection and the individual is not immune 
  • Negative surface antigen with positive hepatitis B surface antibody denotes that you are immunized against the virus





Provided By

NABL

CAP

At Metropolis, the best pathology lab in India what we believe is what we say and what we say is what we do. Being empathetic to our customers and being committed to their needs is in our DNA. Metropolis has grown to harness a culture that is open, synergistic, progressive and scientific in nature. We are the Pathology Specialists delivering over 30 million tests a year, catering to more than 20,000 medical Laboratories, Hospitals, Nursing homes and 2,00,000 Consultants. With 37 years of experience in delivering accurate reports, Metropolis has earned the reputation of being amongst the top pathology labs in India.
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