{"code":"H31.12","type":"code","title":"Diffuse secondary atrophy of choroid","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["angioid streaks of macula (H35.33)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["H31.121","H31.122","H31.123","H31.129"],"inclusionTerms":[],"sibling_titles":{"code":"H31.129","title":"Diffuse secondary atrophy of choroid, unspecified eye","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Diffuse secondary atrophy of choroid is a non-billable ICD-10-CM category code (H31.12). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): angioid streaks of macula (H35.33).","officialDefinition":"Diffuse secondary atrophy of choroid is a non-billable ICD-10-CM category code (H31.12). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): angioid streaks of macula (H35.33).","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":""}