{"code":"M62.549","type":"code","title":"Muscle wasting and atrophy, not elsewhere classified, unspecified hand","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["neuralgic amyotrophy (G54.5)","progressive muscular atrophy (G12.21)","sarcopenia (M62.84)","alcoholic myopathy (G72.1)","cramp and spasm (R25.2)","drug-induced myopathy (G72.0)","myalgia (M79.1-)","stiff-man syndrome (G25.82)","dermatopolymyositis (M33.-)","myopathy in amyloidosis (E85.-)","myopathy in polyarteritis nodosa (M30.0)","myopathy in rheumatoid arthritis (M05.32)","myopathy in scleroderma (M34.-)","myopathy in Sjögren's syndrome (M35.03)","myopathy in systemic lupus erythematosus (M32.-)"],"excludes2":["pelvic muscle wasting (N81.84)","nontraumatic hematoma of muscle (M79.81)","muscular dystrophies and myopathies (G71-G72)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Muscle wasting and atrophy, not elsewhere classified, unspecified hand is a billable ICD-10-CM diagnosis code (M62.549). Excludes1 (not coded here): neuralgic amyotrophy (G54.5); progressive muscular atrophy (G12.21); sarcopenia (M62.84); alcoholic myopathy (G72.1); cramp and spasm (R25.2); drug-induced myopathy (G72.0); myalgia (M79.1-); stiff-man syndrome (G25.82); dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.","officialDefinition":"Muscle wasting and atrophy, not elsewhere classified, unspecified hand is a billable ICD-10-CM diagnosis code (M62.549). Excludes1 (not coded here): neuralgic amyotrophy (G54.5); progressive muscular atrophy (G12.21); sarcopenia (M62.84); alcoholic myopathy (G72.1); cramp and spasm (R25.2); drug-induced myopathy (G72.0); myalgia (M79.1-); stiff-man syndrome (G25.82); dermatopolymyositis (M33.-); myopathy in amyloidosis (E85.-); myopathy in polyarteritis nodosa (M30.0); myopathy in rheumatoid arthritis (M05.32); myopathy in scleroderma (M34.-); myopathy in Sjögren's syndrome (M35.03); myopathy in systemic lupus erythematosus (M32.-). Excludes2 (not included here): pelvic muscle wasting (N81.84); nontraumatic hematoma of muscle (M79.81); muscular dystrophies and myopathies (G71-G72).","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":{"alcoholic myopathy (G72.1)":"M62","cramp and spasm (R25.2)":"M62","drug-induced myopathy (G72.0)":"M62","myalgia (M79.1-)":"M62","stiff-man syndrome (G25.82)":"M62","dermatopolymyositis (M33.-)":"M62","myopathy in amyloidosis (E85.-)":"M62","myopathy in polyarteritis nodosa (M30.0)":"M62","myopathy in rheumatoid arthritis (M05.32)":"M62","myopathy in scleroderma (M34.-)":"M62","myopathy in Sjögren's syndrome (M35.03)":"M62","myopathy in systemic lupus erythematosus (M32.-)":"M62","nontraumatic hematoma of muscle (M79.81)":"M62","muscular dystrophies and myopathies (G71-G72)":"M62","neuralgic amyotrophy (G54.5)":"M62.5","progressive muscular atrophy (G12.21)":"M62.5","sarcopenia (M62.84)":"M62.5","pelvic muscle wasting (N81.84)":"M62.5","Disuse atrophy NEC":"M62.5"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}