{"code":"H52.513","type":"code","title":"Internal ophthalmoplegia (complete) (total), bilateral","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["nystagmus and other irregular eye movements (H55)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["H52","H52.0","H52.01","H52.02","H52.03","H52.1","H52.10","H52.11","H52.12","H52.13","H52.2","H52.20","H52.201","H52.202","H52.203","H52.209","H52.21","H52.211","H52.212","H52.213","H52.219","H52.22","H52.221","H52.222","H52.223","H52.229","H52.3","H52.31","H52.32","H52.4","H52.5","H52.51","H52.511","H52.512","H52.519","H52.52","H52.521","H52.522","H52.523","H52.529","H52.53","H52.531","H52.532","H52.533","H52.539","H52.6","H52.7"],"inclusionTerms":[],"sibling_titles":{"code":"H52.7","title":"Unspecified disorder of refraction","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Internal ophthalmoplegia (complete) (total), bilateral is a billable ICD-10-CM diagnosis code (H52.513). Excludes2 (not included here): nystagmus and other irregular eye movements (H55).","officialDefinition":"Internal ophthalmoplegia (complete) (total), bilateral is a billable ICD-10-CM diagnosis code (H52.513). Excludes2 (not included here): nystagmus and other irregular eye movements (H55).","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":{"nystagmus and other irregular eye movements (H55)":"H52"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}