{"code":"G13.8","type":"code","title":"Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["underlying disease"],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["G13","G13.0","G13.1","G13.2"],"inclusionTerms":[],"sibling_titles":{"code":"G13.2","title":"Systemic atrophy primarily affecting the central nervous system in myxedema","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere is a billable ICD-10-CM diagnosis code (G13.8). Code first: underlying disease.","officialDefinition":"Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere is a billable ICD-10-CM diagnosis code (G13.8). Code first: underlying disease.","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":""}