{"code":"K80.4","type":"code","title":"Calculus of bile duct with cholecystitis","codeAlso":[", if applicable, fistula of bile duct (K83.3)"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["retained cholelithiasis following cholecystectomy (K91.86)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["K80.40","K80.41","K80.42","K80.43","K80.44","K80.45","K80.46","K80.47"],"inclusionTerms":["Any condition listed in K80.5 with cholecystitis (with cholangitis)"],"sibling_titles":{"code":"K80.47","title":"Calculus of bile duct with acute and chronic cholecystitis with obstruction","isBillable":true},"useAdditionalCode":["code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)"],"clinicalDefinition":"Calculus of bile duct with cholecystitis is a non-billable ICD-10-CM category code (K80.4). A more specific billable subcode must be selected for claims submission. Inclusion terms: Any condition listed in K80.5 with cholecystitis (with cholangitis). Excludes1 (not coded here): retained cholelithiasis following cholecystectomy (K91.86). Use additional code: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2). Code also: , if applicable, fistula of bile duct (K83.3).","officialDefinition":"Calculus of bile duct with cholecystitis is a non-billable ICD-10-CM category code (K80.4). A more specific billable subcode must be selected for claims submission. Inclusion terms: Any condition listed in K80.5 with cholecystitis (with cholangitis). Excludes1 (not coded here): retained cholelithiasis following cholecystectomy (K91.86). Use additional code: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2). Code also: , if applicable, fistula of bile duct (K83.3).","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":""}