1. Q31 Congenital malformations of larynx


    • congenital laryngeal stridor NOS (P28.89)
    1. Q31.0 Web of larynx

      Inclusion term(s):

      • Glottic web of larynx
      • Subglottic web of larynx
      • Web of larynx NOS
    2. Q31.1 Congenital subglottic stenosis

    3. Q31.2 Laryngeal hypoplasia

    4. Q31.3 Laryngocele

    5. Q31.5 Congenital laryngomalacia

    6. Q31.8 Other congenital malformations of larynx

      Inclusion term(s):

      • Absence of larynx
      • Agenesis of larynx
      • Atresia of larynx
      • Congenital cleft thyroid cartilage
      • Congenital fissure of epiglottis
      • Congenital stenosis of larynx NEC
      • Posterior cleft of cricoid cartilage
    7. Q31.9 Congenital malformation of larynx, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.