anti-hbs (cmia)
InfectionBlood sampleResults 24 hrsNo fasting
Anti-HBs (CMIA)
Measures hepatitis B surface antibodies to check for immunity from vaccination or past infection. Useful for confirming protection against hepatitis B.
Sample
Blood
Results
24 hrs
Fasting
Not required
Follow-up
Optional add-on
What this test detects
Hepatitis B surface antibody (Anti-HBs)
CMIA · serum
Quantitative · mIU/mL
When to get this test
Checking vaccine response
Confirms whether hepatitis B vaccination has produced protective antibodies.
Immunity assessment
Shows protection from a past, resolved hepatitis B infection.
Healthcare and clearance needs
Often required for healthcare workers and pre-employment screening.
How to prepare
01
No special preparation needed.
Common questions
What does a positive Anti-HBs mean?
It usually means you are protected against hepatitis B, either from vaccination or recovery from a past infection.
Do I need this test after vaccination?
It can confirm that your vaccine produced enough antibodies, which is especially useful for healthcare workers.