{"code":"Q40.0","type":"code","title":"Congenital hypertrophic pyloric stenosis","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["Q40","Q40.1","Q40.2","Q40.3","Q40.8","Q40.9"],"inclusionTerms":["Congenital or infantile constriction","Congenital or infantile hypertrophy","Congenital or infantile spasm","Congenital or infantile stenosis","Congenital or infantile stricture","Congenital constriction","Congenital hypertrophy","Congenital spasm","Congenital stenosis","Congenital stricture"],"sibling_titles":{"code":"Q40.9","title":"Congenital malformation of upper alimentary tract, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Congenital hypertrophic pyloric stenosis is a billable ICD-10-CM diagnosis code (Q40.0). Inclusion terms: Congenital or infantile constriction; Congenital or infantile hypertrophy; Congenital or infantile spasm; Congenital or infantile stenosis; Congenital or infantile stricture.","officialDefinition":"Congenital hypertrophic pyloric stenosis is a billable ICD-10-CM diagnosis code (Q40.0). Inclusion terms: Congenital or infantile constriction; Congenital or infantile hypertrophy; Congenital or infantile spasm; Congenital or infantile stenosis; Congenital or infantile stricture.","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":""}