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Simplified Autoimmune Hepatitis (AIH) Score

ANA/SMA/LKM, IgG, histology, viral exclusion → ≥6 points probable AIH.

Calculator

Assign points (simplified score):

ANA ≥1:40 and/or SMA ≥1:40 and/or anti-LKM1 ≥1:40 (+2) IgG above ULN or >1.1× ULN (+1) Liver histology compatible with AIH (+1) Absence of viral hepatitis (+2)

Simplified Autoimmune Hepatitis

How it works

ANA/SMA/LKM, IgG, histology, viral exclusion → ≥6 points probable AIH.

Limits

Teaching aid only; confirm with local guidelines.

Educational tool only—not for diagnosis or treatment decisions.

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