{"code":"B19.21","type":"code","title":"Unspecified viral hepatitis C with hepatic coma","codeAlso":[],"includes":[],"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":["B19","B19.0","B19.1","B19.10","B19.11","B19.2","B19.20","B19.9"],"inclusionTerms":[],"sibling_titles":{"code":"B19.9","title":"Unspecified viral hepatitis without hepatic coma","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Unspecified viral hepatitis C with hepatic coma is a billable ICD-10-CM diagnosis code (B19.21). Excludes1 (not coded here): sequelae of viral hepatitis (B94.2). Excludes2 (not included here): cytomegaloviral hepatitis (B25.1); herpesviral [herpes simplex] hepatitis (B00.81).","officialDefinition":"Unspecified viral hepatitis C with hepatic coma is a billable ICD-10-CM diagnosis code (B19.21). Excludes1 (not coded here): sequelae of viral hepatitis (B94.2). Excludes2 (not included here): cytomegaloviral hepatitis (B25.1); herpesviral [herpes simplex] hepatitis (B00.81).","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":{"sequelae of viral hepatitis (B94.2)":"B19","cytomegaloviral hepatitis (B25.1)":"B19","herpesviral [herpes simplex] hepatitis (B00.81)":"B19"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[{"model":"RxHCC V08","hcc":"55"}]}}