Positive Serologic Test for Hepatitis B Virus (HBV)
Hepatitis B virus infection
False-positive serologic test for hepatitis B virus
Suggested Additional Lab Testing
Acute hepatitis B
Patient is positive for IgM antibody to HBV core antigen.
Patient is usually positive for hepatitis B surface antigen and hepatitis B virus e antigen. Presence of the e antigen indicates a high degree of infectivity.
Patient is likely to be positive for serum HBV DNA; level can be followed to assess response to therapy.
Chronic hepatitis B
Liver function tests, especially aminotransferases, are likely to be elevated for more than 6 months.
Hepatitis B surface antigen is positive for more than 6 months.
Chronic cases are also positive for anti-HBV core antigen as total antibody or as IgG.
Copyright © 2017, 2013 Decision Support in Medicine, LLC. All rights reserved.
No sponsor or advertiser has participated in, approved or paid for the content provided by Decision Support in Medicine LLC. The Licensed Content is the property of and copyrighted by DSM.
Next Article in LabMed
Neurology Advisor Articles
- FDA Approves Aimovig for Migraine Prevention
- Sports-Related Concussion Outcomes Predicted With Serum Neurofilament Light
- FDA: Lamotrigine Linked to Potentially Life-Threatening Adverse Reaction
- Risk of Developing Multiple Sclerosis After HPV Vaccination
- Psychological Therapies May Help Older Adults With Chronic Pain
- Amyloid Positivity Increases Risk for Cognitive Impairment in Dementia-Free Patients
- Valproic Acid-Related Adverse Fetal Outcomes May Be Linked to Placental Effects
- Risk of Dementia Up for Older Adults With Lowest Wealth
- Language Used in Medical Record Can Affect Patient Care
- Mortality in Alzheimer Disease Not Strongly Associated With Antipsychotics