{"code":"K80.00","type":"code","title":"Calculus of gallbladder with acute cholecystitis without obstruction","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["retained cholelithiasis following cholecystectomy (K91.86)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":["code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)"],"clinicalDefinition":"Calculus of gallbladder with acute cholecystitis without obstruction is a billable ICD-10-CM diagnosis code (K80.00). 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).","officialDefinition":"Calculus of gallbladder with acute cholecystitis without obstruction is a billable ICD-10-CM diagnosis code (K80.00). 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).","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":""}