Full Name

Anti-Hepatitis A Virus – IgG Antibody

Sample Type

Blood (Serum)

Fasting Required?

❌ No

Test Method

ELISA / CLIA (Enzyme Immunoassay or Chemiluminescence)

Liver

Target organ affected by HAV

Immune System

Produces long-lasting IgG antibodies

✅ Confirm immunity

After vaccination or past HAV infection

🛑 Pre-vaccination screening

To avoid unnecessary vaccination

🧳 Travel health screening

Especially to regions with poor sanitation or outbreaks

🩺 Routine screening in liver disorders

To assess hepatitis exposure history

Positive

Indicates immunity due to past infection or vaccination

Negative

Suggests no immunity; person is susceptible to HAV

Anti-HAV IgM

Detects recent/acute infection

Liver Function Test (LFT)

Assess current liver health or inflammation

Hepatitis B and C markers

Rule out other types of viral hepatitis

Hepatitis A Total Antibodies

Detect both IgG and IgM in one test

Appears

Within 1–2 weeks of infection

After acute phase or post-vaccination

Indicates

Recent or current infection

Past infection or immunity

Duration

Disappears in 3–6 months

Persists lifelong

Clinical Use

Diagnose acute hepatitis A

Assess immune status

Indicates

Past infection or vaccination immunity

Used For

Immunity screening, travel health, vaccination status

Positive Result

Immunity present (no further vaccination needed)

Sample

Serum (blood)

Follow-Up

HAV IgM if acute symptoms exist