Hepatitis B virus (HBV) surface antigen mutation detection in serum/plasma
This test checks for specific genetic changes (mutations) in the hepatitis B virus (HBV) surface antigen protein, which may affect how the virus behaves or responds to treatment. It helps assess whether the virus has developed resistance or altered behavior over time.
["This test helps monitor treatment effectiveness and detect potential viral resistance in chronic hepatitis B."]
Key facts at a glance
- LOINC
- 111506-2
- Short code
- HBV BCP Mut SerPl Seq
- Synonyms
- HBV BCP Mut SerPl Seq
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- sequencing
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Matters for Your Health
Hepatitis B is a serious liver infection caused by the HBV virus. Some strains of HBV may develop mutations that can make them harder to treat with standard medications. This test specifically looks for mutations in the HBV surface antigen, which can influence treatment decisions.
How the Test Works
Your blood sample is analyzed using a molecular method (likely immunoassay or genetic sequencing) to detect the presence of HBV surface antigen mutations. The test identifies changes in the virus’s genetic code that may affect its ability to replicate or respond to antiviral therapy.
What to Expect Before the Test
No special preparation is needed for this test. You may have a small needle inserted into your arm to draw blood, similar to other routine blood tests. The process usually takes a few minutes, and you can resume normal activities afterward.
What the Results Mean
If mutations are detected, your healthcare provider may adjust your treatment plan to target the specific genetic changes in the virus. If no mutations are found, it may indicate the virus is responding well to current treatment. Results are interpreted by a healthcare professional based on your clinical picture.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: Detecting Viral Mutations for Better Treatment
Short name
HBV Surface Antigen Mutation Screening
Frequently asked questions
What does a positive result mean for my health?
How often will I need this test?
Can I still get hepatitis B if I have a negative result?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy