{"code":"M65.96","type":"code","title":"Unspecified synovitis and tenosynovitis, lower leg","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["chronic crepitant synovitis of hand and wrist (M70.0-)","current injury - see injury of ligament or tendon by body region","soft tissue disorders related to use, overuse and pressure (M70.-)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["M65.961","M65.962","M65.969"],"inclusionTerms":[],"sibling_titles":{"code":"M65.969","title":"Unspecified synovitis and tenosynovitis, unspecified lower leg","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Unspecified synovitis and tenosynovitis, lower leg is a non-billable ICD-10-CM category code (M65.96). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): chronic crepitant synovitis of hand and wrist (M70.0-); current injury - see injury of ligament or tendon by body region; soft tissue disorders related to use, overuse and pressure (M70.-).","officialDefinition":"Unspecified synovitis and tenosynovitis, lower leg is a non-billable ICD-10-CM category code (M65.96). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): chronic crepitant synovitis of hand and wrist (M70.0-); current injury - see injury of ligament or tendon by body region; soft tissue disorders related to use, overuse and pressure (M70.-).","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":{"chronic crepitant synovitis of hand and wrist (M70.0-)":"M65","current injury - see injury of ligament or tendon by body region":"M65","soft tissue disorders related to use, overuse and pressure (M70.-)":"M65"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}