AIH Simplified Criteria — RACP Adult Medicine MCQ

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ModerateGastroenterology & HepatologyAIH Simplified CriteriaRACP Adult Medicine

A 45-year-old woman with AIH has ANA 1:640, anti-SMA positive, elevated IgG, typical histology. Using simplified criteria, what score confirms definite AIH?

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Correct answer: B — ≥7

Simplified criteria: ANA/SMA, IgG level, histology, absence of viral hepatitis. Score ≥7 = definite AIH.

Reference: eTG – 2025; IAIHG – 2008; AASLD – 2020