{"code":"H34.8320","type":"code","title":"Tributary (branch) retinal vein occlusion, left eye, with macular edema","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["amaurosis fugax (G45.3)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Tributary (branch) retinal vein occlusion, left eye, with macular edema is a billable ICD-10-CM diagnosis code (H34.8320). Excludes1 (not coded here): amaurosis fugax (G45.3). 7th character: One of the following 7th characters is to be assigned to codes in subcategory H34.83 to designate the severity of the occlusion:.","officialDefinition":"Tributary (branch) retinal vein occlusion, left eye, with macular edema is a billable ICD-10-CM diagnosis code (H34.8320). Excludes1 (not coded here): amaurosis fugax (G45.3). 7th character: One of the following 7th characters is to be assigned to codes in subcategory H34.83 to designate the severity of the occlusion:.","seventhCharacterInstructions":["One of the following 7th characters is to be assigned to codes in subcategory H34.83 to designate the severity of the occlusion:"],"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":"","hcc":{"mapped":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"298","label":"Severe Diabetic Eye Disease, Retinal Vein Occlusion, and Vitreous Hemorrhage","family":"","suppresses":[]}],"otherModels":[]}}