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)