From parent levels

ChapterXVIICongenital malformations, deformations and chromosomal abnormalitiesOpen

Exclusions

inborn errors of metabolism (E70-E90)

BlockQ30-Q34Congenital malformations of the respiratory systemOpen

CategoryQ31Congenital malformations of larynxOpen

Exclusions

congenital (laryngeal) stridor NOS (P28.8)

Q31.0

CategoryBlock Q30-Q34 Chapter XVII

Web of larynx

Inclusions

Web of larynx: NOS
Web of larynx: glottic
Web of larynx: subglottic

Parent: Q31 Congenital malformations of larynx