{"code":"M62.85","type":"code","title":"Dysfunction of the multifidus muscles, lumbar region","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["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":["nontraumatic hematoma of muscle (M79.81)","muscular dystrophies and myopathies (G71-G72)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["M62","M62.0","M62.01","M62.011","M62.012","M62.019","M62.02","M62.021","M62.022","M62.029","M62.03","M62.031","M62.032","M62.039","M62.04","M62.041","M62.042","M62.049","M62.05","M62.051","M62.052","M62.059","M62.06","M62.061","M62.062","M62.069","M62.07","M62.071","M62.072","M62.079","M62.08","M62.1","M62.10","M62.11","M62.111","M62.112","M62.119","M62.12","M62.121","M62.122","M62.129","M62.13","M62.131","M62.132","M62.139","M62.14","M62.141","M62.142","M62.149","M62.15","M62.151","M62.152","M62.159","M62.16","M62.161","M62.162","M62.169","M62.17","M62.171","M62.172","M62.179","M62.18","M62.2","M62.20","M62.21","M62.211","M62.212","M62.219","M62.22","M62.221","M62.222","M62.229","M62.23","M62.231","M62.232","M62.239","M62.24","M62.241","M62.242","M62.249","M62.25","M62.251","M62.252","M62.259","M62.26","M62.261","M62.262","M62.269","M62.27","M62.271","M62.272","M62.279","M62.28","M62.3","M62.4","M62.40","M62.41","M62.411","M62.412"],"inclusionTerms":[],"sibling_titles":{"code":"M62.412","title":"Contracture of muscle, left shoulder","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Dysfunction of the multifidus muscles, lumbar region is a billable ICD-10-CM diagnosis code (M62.85). Excludes1 (not coded here): 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.","officialDefinition":"Dysfunction of the multifidus muscles, lumbar region is a billable ICD-10-CM diagnosis code (M62.85). Excludes1 (not coded here): 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): 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":""}