Hepatitis B Status Check
The hepatitis B panel uses three markers to tell a complete story: HBsAg (surface antigen—are you currently infected?), anti-HBs (surface antibody—are you immune?), and anti-HBc (core antibody—have you ever been exposed?). Together they reveal whether you're infected, immune from vaccine, immune from past infection, or susceptible.
What is Hepatitis B Panel?
Standard panel: HBsAg (infection marker), anti-HBs (immunity marker, >10 mIU/mL = immune), anti-HBc total (exposure marker). Additional markers: HBeAg (high infectivity), anti-HBe (lower infectivity), HBV DNA viral load (replication level).
↑ What High Hepatitis B Panel Means
HBsAg positive = active hepatitis B infection (acute or chronic). Anti-HBs positive only = immune from vaccination. Anti-HBs + anti-HBc positive = immune from past infection. Anti-HBc alone = past infection (unclear immunity) or occult HBV.
Common symptoms:
Acute: jaundice, fatigue, nausea, abdominal pain, dark urine (many are asymptomatic) · Chronic: often asymptomatic for decades until cirrhosis develops · Cirrhosis: fatigue, jaundice, ascites, variceal bleeding
↓ What Low Hepatitis B Panel Means
N/A—these are qualitative markers.
Common symptoms:
N/A
Why It Matters
When normal:
Determines infection status, immunity, and susceptibility
Guides vaccination decisions
Chronic HBV needs monitoring for liver cancer (HCC)
HBV is preventable with vaccination
Risks if abnormal:
Chronic HBV: cirrhosis, liver failure, hepatocellular carcinoma
Vertical transmission: mother to child during birth
Reactivation risk with immunosuppression (rituximab, chemotherapy)
What Can Cause Abnormal Levels?
Hepatitis B Virus Infection
100% likelyTransmitted via blood, sexual contact, and vertical (mother-to-child). 95% of adults clear acute infection; 90% of neonates become chronic.
Perinatal Transmission
Most common route worldwide. HBV vaccine at birth prevents this.
Sexual Transmission
Major route in adults.
Blood Exposure
Needlestick, IV drug use, tattooing, transfusion (rare now).
What You Can Do
If all negative (susceptible): get vaccinated (3-dose series)
Impact: Vaccination is >95% effective at preventing HBV \u00B7 Timeline: 0, 1, 6 months
If HBsAg positive: determine acute vs chronic (repeat in 6 months)
Impact: HBsAg positive >6 months = chronic hepatitis B \u00B7 Timeline: 6 months
If lifestyle changes aren't enough:
If chronic HBV: HCC surveillance (AFP + ultrasound q6 months)
Impact: Chronic HBV increases HCC risk even without cirrhosis \u00B7 Timeline: q6 months
Check HBV DNA viral load and HBeAg status
Impact: Guides treatment decisions \u00B7 Timeline: At diagnosis
Recommended retest: Chronic HBV: ALT and viral load q6-12 months; HCC screening q6 months
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