Q31.8 Other congenital malformations of larynx

Coding Notes

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Applicable To

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

GEM Conversion to ICD-9 CM


MDC / MS-DRG Reference


Back Reference of Diagnostic Codes

Absence (of) (organ or part) (complete or partial)
larynx (congenital) Q31.8
thyroid (gland) (acquired) E89.0
Accessory (congenital)
Agenesis
thyroid (gland) E03.1
Anomaly, anomalous (congenital) (unspecified type) Q89.9
thyroid (gland) Q89.2
union
Atresia, atretic
Cleft (congenital) See also Imperfect, closure
Constriction See also Stricture
Cyst (colloid) (mucous) (simple) (retention)
cricoid cartilage (congenital) Q31.8
epiglottis (congenital) Q31.8
larynx (muscle) (congenital) Q31.8
thyroid (gland) (congenital) Q89.2
Elongated, elongation (congenital) See also Distortion
petiolus (epiglottidis) Q31.8
Fissure, fissured
epiglottis (congenital) Q31.8
Imperfect
closure (congenital)
Malposition
congenital
thyroid (gland) (tissue) Q89.2
Obstruction, obstructed, obstructive
Stenosis, stenotic (cicatricial) See also Stricture
Stricture See also Stenosis

Sibling Codes


Parent Sibling Codes


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Code Title
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Q30-Q34 Congenital malformations of the respiratory system (Q30-Q34)
Q31 Congenital malformations of larynx
Q31.8 Other congenital malformations of larynx
Applicable to
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