{"code":"H81.8X2","type":"code","title":"Other disorders of vestibular function, left ear","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["epidemic vertigo (A88.1)","vertigo NOS (R42)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Other disorders of vestibular function, left ear is a billable ICD-10-CM diagnosis code (H81.8X2). Excludes1 (not coded here): epidemic vertigo (A88.1); vertigo NOS (R42).","officialDefinition":"Other disorders of vestibular function, left ear is a billable ICD-10-CM diagnosis code (H81.8X2). Excludes1 (not coded here): epidemic vertigo (A88.1); vertigo NOS (R42).","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":{"epidemic vertigo (A88.1)":"H81","vertigo NOS (R42)":"H81"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}