Overview of HBsAg Qual
What is HBsAg Qual?
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 is HBsAg Qual done?
- 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
- As a follow up test if routine tests like ALT and AST are elevated
- 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
- At a regolar basis to monitor people with chronic hepatitis B infection
Preparation for HBsAg Qual
- No special preparation required
Sample Type for HBsAg Qual
The sample type collected for Hepatitis B s (Surface) Antigen Qualitative is: Blood
Interpreting HBsAg Qual results
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