{"code":"G47.22","type":"code","title":"Circadian rhythm sleep disorder, advanced sleep phase type","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"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":"Circadian rhythm sleep disorder, advanced sleep phase type is a billable ICD-10-CM diagnosis code (G47.22). Excludes2 (not included here): nightmares (F51.5); nonorganic sleep disorders (F51.-); sleep terrors (F51.4); sleepwalking (F51.3).","officialDefinition":"Circadian rhythm sleep disorder, advanced sleep phase type is a billable ICD-10-CM diagnosis code (G47.22). Excludes2 (not included here): nightmares (F51.5); nonorganic sleep disorders (F51.-); sleep terrors (F51.4); sleepwalking (F51.3).","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":""}