Montreal İBH Sınıflaması

İBH tipi

Tanı yaşı (A)

Lokalizasyon (L)

L4 is a modifier that can be added to L1, L2, or L3 when concomitant upper gastrointestinal disease is present

Davranış (B)

p is a modifier that can be added to B1, B2, or B3 when concomitant perianal disease is present