{"code":"G71.9","type":"code","title":"Primary disorder of muscle, unspecified","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["arthrogryposis multiplex congenita (Q74.3)","metabolic disorders (E70-E88)","myositis (M60.-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["G71","G71.0","G71.031","G71.032","G71.033","G71.034","G71.0340","G71.0341","G71.0342","G71.0349","G71.035","G71.036","G71.038","G71.039","G71.1","G71.2","G71.220","G71.228","G71.3","G71.8"],"inclusionTerms":["Hereditary myopathy NOS"],"sibling_titles":{"code":"G71.8","title":"Other primary disorders of muscles","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Primary disorder of muscle, unspecified is a billable ICD-10-CM diagnosis code (G71.9). Inclusion terms: Hereditary myopathy NOS. Excludes2 (not included here): arthrogryposis multiplex congenita (Q74.3); metabolic disorders (E70-E88); myositis (M60.-).","officialDefinition":"Primary disorder of muscle, unspecified is a billable ICD-10-CM diagnosis code (G71.9). Inclusion terms: Hereditary myopathy NOS. Excludes2 (not included here): arthrogryposis multiplex congenita (Q74.3); metabolic disorders (E70-E88); myositis (M60.-).","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":"","noteProvenance":{"arthrogryposis multiplex congenita (Q74.3)":"G71","metabolic disorders (E70-E88)":"G71","myositis (M60.-)":"G71"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}