{"code":"I79.1","type":"code","title":"Aortitis in diseases classified elsewhere","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":["underlying disease"],"excludes1":["syphilitic aortitis (A52.02)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Aortitis in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (I79.1). Excludes1 (not coded here): syphilitic aortitis (A52.02). Code first: underlying disease.","officialDefinition":"Aortitis in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (I79.1). Excludes1 (not coded here): syphilitic aortitis (A52.02). Code first: underlying disease.","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":""}