{"code":"G47.35","type":"code","title":"Congenital central alveolar hypoventilation syndrome","codeAlso":["any associated underlying condition"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["apnea NOS (R06.81)","Cheyne-Stokes breathing (R06.3)","pickwickian syndrome (E66.2)","sleep apnea of newborn (P28.3-)"],"excludes2":["nightmares (F51.5)","nonorganic sleep disorders (F51.-)","sleep terrors (F51.4)","sleepwalking (F51.3)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Congenital central alveolar hypoventilation syndrome is a billable ICD-10-CM diagnosis code (G47.35). Excludes1 (not coded here): apnea NOS (R06.81); Cheyne-Stokes breathing (R06.3); pickwickian syndrome (E66.2); sleep apnea of newborn (P28.3-). Excludes2 (not included here): nightmares (F51.5); nonorganic sleep disorders (F51.-); sleep terrors (F51.4); sleepwalking (F51.3). Code also: any associated underlying condition.","officialDefinition":"Congenital central alveolar hypoventilation syndrome is a billable ICD-10-CM diagnosis code (G47.35). Excludes1 (not coded here): apnea NOS (R06.81); Cheyne-Stokes breathing (R06.3); pickwickian syndrome (E66.2); sleep apnea of newborn (P28.3-). Excludes2 (not included here): nightmares (F51.5); nonorganic sleep disorders (F51.-); sleep terrors (F51.4); sleepwalking (F51.3). Code also: any associated underlying condition.","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":""}