{"code":"G12.1","type":"code","title":"Other inherited spinal muscular atrophy","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["G12","G12.0","G12.2","G12.8","G12.9"],"inclusionTerms":["Adult form spinal muscular atrophy","Childhood form, type II spinal muscular atrophy","Distal spinal muscular atrophy","Juvenile form, type III spinal muscular atrophy [Kugelberg-Welander]","Progressive bulbar palsy of childhood [Fazio-Londe]","Scapuloperoneal form spinal muscular atrophy"],"sibling_titles":{"code":"G12.9","title":"Spinal muscular atrophy, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other inherited spinal muscular atrophy is a billable ICD-10-CM diagnosis code (G12.1). Inclusion terms: Adult form spinal muscular atrophy; Childhood form, type II spinal muscular atrophy; Distal spinal muscular atrophy; Juvenile form, type III spinal muscular atrophy [Kugelberg-Welander]; Progressive bulbar palsy of childhood [Fazio-Londe]; Scapuloperoneal form spinal muscular atrophy.","officialDefinition":"Other inherited spinal muscular atrophy is a billable ICD-10-CM diagnosis code (G12.1). Inclusion terms: Adult form spinal muscular atrophy; Childhood form, type II spinal muscular atrophy; Distal spinal muscular atrophy; Juvenile form, type III spinal muscular atrophy [Kugelberg-Welander]; Progressive bulbar palsy of childhood [Fazio-Londe]; Scapuloperoneal form spinal muscular atrophy.","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":"","hcc":{"mapped":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"190","label":"Amyotrophic Lateral Sclerosis and Other Motor Neuron Disease, Spinal Muscular Atrophy","family":"","suppresses":[]}],"otherModels":[{"model":"CMS-HCC V22","hcc":"72"},{"model":"RxHCC V08","hcc":"155"}]}}