{"code":"K57.4","type":"code","title":"Diverticulitis of both small and large intestine with perforation and abscess","codeAlso":["if applicable:","pelvic abscess (K6A.0-)","peritonitis (K65.-)"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["congenital diverticulum of intestine (Q43.8)","Meckel's diverticulum (Q43.0)"],"excludes2":["diverticulum of appendix (K38.2)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["K57.40","K57.41"],"inclusionTerms":[],"sibling_titles":{"code":"K57.41","title":"Diverticulitis of both small and large intestine with perforation and abscess with bleeding","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Diverticulitis of both small and large intestine with perforation and abscess is a non-billable ICD-10-CM category code (K57.4). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): congenital diverticulum of intestine (Q43.8); Meckel's diverticulum (Q43.0). Excludes2 (not included here): diverticulum of appendix (K38.2). Code also: if applicable peritonitis K65.-.","officialDefinition":"Diverticulitis of both small and large intestine with perforation and abscess is a non-billable ICD-10-CM category code (K57.4). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): congenital diverticulum of intestine (Q43.8); Meckel's diverticulum (Q43.0). Excludes2 (not included here): diverticulum of appendix (K38.2). Code also: if applicable peritonitis K65.-.","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":""}