{"code":"K57.12","type":"code","title":"Diverticulitis of small intestine without perforation or abscess without bleeding","codeAlso":["if applicable:","pelvic abscess (K6A.0-)","peritonitis (K65.-)"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["diverticular disease of both small and large intestine without perforation or abscess (K57.5-)","congenital diverticulum of intestine (Q43.8)","Meckel's diverticulum (Q43.0)"],"excludes2":["diverticulum of appendix (K38.2)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["K57","K57.0","K57.00","K57.01","K57.1","K57.10","K57.11","K57.13","K57.2","K57.20","K57.21","K57.3","K57.30","K57.31","K57.32","K57.33","K57.4","K57.40","K57.41","K57.5","K57.50","K57.51","K57.52","K57.53","K57.8","K57.80","K57.81","K57.9","K57.90","K57.91","K57.92","K57.93"],"inclusionTerms":[],"sibling_titles":{"code":"K57.93","title":"Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Diverticulitis of small intestine without perforation or abscess without bleeding is a billable ICD-10-CM diagnosis code (K57.12). Excludes1 (not coded here): diverticular disease of both small and large intestine without perforation or abscess (K57.5-); 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 small intestine without perforation or abscess without bleeding is a billable ICD-10-CM diagnosis code (K57.12). Excludes1 (not coded here): diverticular disease of both small and large intestine without perforation or abscess (K57.5-); 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":""}