{"code":"M50.921","type":"code","title":"Unspecified cervical disc disorder at C4-C5 level","codeAlso":[],"includes":["cervicothoracic disc disorders with cervicalgia","cervicothoracic disc disorders"],"modern_v":"official26","codeFirst":[],"excludes1":["current injury - see injury of spine by body region","discitis NOS (M46.4-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["Unspecified C4-C5 cervical disc disorder"],"useAdditionalCode":[],"clinicalDefinition":"Unspecified cervical disc disorder at C4-C5 level is a billable ICD-10-CM diagnosis code (M50.921). Includes: cervicothoracic disc disorders with cervicalgia; cervicothoracic disc disorders. Inclusion terms: Unspecified C4-C5 cervical disc disorder. Excludes1 (not coded here): current injury - see injury of spine by body region; discitis NOS (M46.4-).","officialDefinition":"Unspecified cervical disc disorder at C4-C5 level is a billable ICD-10-CM diagnosis code (M50.921). Includes: cervicothoracic disc disorders with cervicalgia; cervicothoracic disc disorders. Inclusion terms: Unspecified C4-C5 cervical disc disorder. Excludes1 (not coded here): current injury - see injury of spine by body region; discitis NOS (M46.4-).","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":{"current injury - see injury of spine by body region":"M50","discitis NOS (M46.4-)":"M50","cervicothoracic disc disorders with cervicalgia":"M50","cervicothoracic disc disorders":"M50"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}