How to screen for and diagnose HBV.
Ending hep B begins with screening and diagnosing your at-risk patients. With just one blood draw, you can measure three virologic markers of hepatitis B virus infection.1
How to screen for and diagnose HBV.
Ending hep B begins with screening and diagnosing your at-risk patients. With just one blood draw, you can measure three virologic markers of hepatitis B virus infection.1
CDC-recommended Hep B screening tests
HBsAg
HBsAg is a protein on the surface of HBV; it can be detected in high levels in serum during acute or chronic HBV infection. The presence of HBsAg indicates that the person is infectious. The body normally produces antibodies to HBsAg as part of the normal immune response to infection.1
Anti-HBs
The presence of anti-HBs is generally interpreted as indicating recovery and immunity from HBV infection. Anti-HBs also develops in a person who has been successfully vaccinated against hepatitis B.1
Anti-HBc
Anti-HBc appears at the onset of symptoms in acute HBV infection and persists for life. The presence of anti-HBc indicates previous or ongoing infection with HBV for an undefined time frame.1
HBV Screening is covered by most insurance plans
The USPSTF has given a grade B recommendation for HBV screening in persons at high risk for infection2,b
Most private health insurance plans cover recommended preventive services with an A or B recommendation without cost-sharing3
Medicare typically covers all USPSTF-recommended services with an A or B recommendation without cost-sharing3
Medicaid programs are either required to cover services without cost-sharing or incentivised to cover all USPSTF-recommended services with an A or B recommendation without cost-sharing3
“Tests for HBV infection are widely available, cheap, and accurate.”
Interpretation and management based on screening test results (AASLD, ACP/CDC)
Possible HBV serologic test results5,6
Screening Tests | |||||||
HBsAg | Anti‑ HBs | Anti‑ HBcc | Interpretation | Management | |||
Acute or chronic infectiond | Additional testing and management needed | ||||||
Exposure to HBV Risk for reactivatione | Follow up as appropriatef | ||||||
Immunity from vaccination | No further testing required | ||||||
Uninfected and not immune (at risk for infection) | No further testing required; vaccinate |
dPatient is chronically infected if HBsAg+ for ≥6 months; patients with acute infection will be positive for anti-HBc IgM.7
ePatients undergoing immunosuppressive therapy or treatment with direct-acting antivirals for HCV coinfection should be monitored for HBV reactivation.5
fPatients with cirrhosis should be screened every 6 months for hepatocellular carcinoma per the AASLD guidance.5
Following an initial evaluation, all patients with chronic HBV infection should be monitored to assess liver disease progression and the need for treatment. Not all chronically infected patients are indicated for treatment, but all will require lifelong monitoring.7,8
Learn about managing chronic hepatitis B.Educate patients to prevent HBV transmission
Myths about HBV transmission abound. Educate your patients on the facts to help prevent the spread of HBV.
- Childbirth - Perinatal transmission is the major route by which hepatitis B infection is perpetuated in endemic populations.9
- Sexual contact - Both acute an chronic hepatitis B infection may also be transmitted through any type of exposure to bodily fluids, such as blood and semen.1
Routes of HBV transmission
Progression to CHB occurs in >90% of infants, approximately 25%–50% of children aged 1–5 years, and <5% of older children and adults.7
Vaccinate patients as recommended
Vaccination is the most effective way to help prevent HBV infection and its complications.6
Populations recommended for HBV vaccination by the CDC10:
- All Newbornsg
- All unvaccinated children and adolescents <19 years of age
- All unvaccinated adults at risk for infection and those seeking protection from HBV infection
- Primary vaccination consists of 3 intramuscular doses given at 0, 1, and 6 months;1A 2-dose series given at 0 and 1 months is also available for adults11
- A full 3-dose vaccine series is associated with immunity in up to 90% of healthy adults11
gInfants born to HBsAG+ mothers should also receive hepatitis B immune globulin by ≤12 hours of birth.10
First dose (0 month) | Second dose (1 month) | Third dose (6 month) |
---|---|---|
30%-55% with protective immunity12 | 75% with protective immunity12 | Up to 90% with protective immunity11 |
Implementing HBV infection screening protocols
Consider implementing screening protocols in your practice to identify, follow, refer, and treat appropriately persons with CHB. Taking these steps can have a major impact on reducing complications associated with chronic hepatitis B.13
Implement clinical protocols to:
Identify high-risk patients in populations identified as high-risk by the AASLD, ACP and CDC, USPSTF
Test for the three markers of HBV infection through a simple blood draw1
Counsel infected patients about risks, including liver complications and transmission to others
Refer or treat patients as indicated by AASLD, AATA, and EASL guidelines5,14,15