{"code":"Q31.8","type":"code","title":"Other congenital malformations of larynx","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["congenital laryngeal stridor NOS (P28.89)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["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"],"useAdditionalCode":[],"clinicalDefinition":"Other congenital malformations of larynx is a billable ICD-10-CM diagnosis code (Q31.8). Inclusion terms: 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. Excludes1 (not coded here): congenital laryngeal stridor NOS (P28.89).","officialDefinition":"Other congenital malformations of larynx is a billable ICD-10-CM diagnosis code (Q31.8). Inclusion terms: 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. Excludes1 (not coded here): congenital laryngeal stridor NOS (P28.89).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}