{"code":"B18.0","type":"code","title":"Chronic viral hepatitis B with delta-agent","codeAlso":[],"includes":["Carrier of viral hepatitis"],"modern_v":"official26","codeFirst":[],"excludes1":["sequelae of viral hepatitis (B94.2)"],"excludes2":["cytomegaloviral hepatitis (B25.1)","herpesviral [herpes simplex] hepatitis (B00.81)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["B18","B18.1","B18.2","B18.8","B18.9"],"inclusionTerms":[],"sibling_titles":{"code":"B18.9","title":"Chronic viral hepatitis, unspecified","isBillable":true},"useAdditionalCode":["code, if applicable, for ascites (R18.8)"],"clinicalDefinition":"Chronic viral hepatitis B with delta-agent is a billable ICD-10-CM diagnosis code (B18.0). Includes: Carrier of viral hepatitis. Excludes1 (not coded here): sequelae of viral hepatitis (B94.2). Excludes2 (not included here): cytomegaloviral hepatitis (B25.1); herpesviral [herpes simplex] hepatitis (B00.81). Use additional code: code, if applicable, for ascites (R18.8).","officialDefinition":"Chronic viral hepatitis B with delta-agent is a billable ICD-10-CM diagnosis code (B18.0). Includes: Carrier of viral hepatitis. Excludes1 (not coded here): sequelae of viral hepatitis (B94.2). Excludes2 (not included here): cytomegaloviral hepatitis (B25.1); herpesviral [herpes simplex] hepatitis (B00.81). Use additional code: code, if applicable, for ascites (R18.8).","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":""}