{"code":"K63.2","type":"code","title":"Fistula of intestine","codeAlso":[", if applicable, disruption of internal operation (surgical) wound (T81.32-)"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["fistula of duodenum (K31.6)","fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,)","fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913)"],"excludes2":["fistula of anal and rectal regions (K60.-)","fistula of appendix (K38.3)","intestinal-genital fistula, female (N82.2-N82.4)","vesicointestinal fistula (N32.1)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["K63","K63.0","K63.1","K63.3","K63.4","K63.5","K63.8","K63.81","K63.82","K63.821","K63.8211","K63.8212","K63.8219","K63.822","K63.829","K63.89","K63.9"],"inclusionTerms":[],"sibling_titles":{"code":"K63.9","title":"Disease of intestine, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Fistula of intestine is a billable ICD-10-CM diagnosis code (K63.2). Excludes1 (not coded here): fistula of duodenum (K31.6); fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,); fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913). Excludes2 (not included here): fistula of anal and rectal regions (K60.-); fistula of appendix (K38.3); intestinal-genital fistula, female (N82.2-N82.4); vesicointestinal fistula (N32.1). Code also: , if applicable, disruption of internal operation (surgical) wound (T81.32-).","officialDefinition":"Fistula of intestine is a billable ICD-10-CM diagnosis code (K63.2). Excludes1 (not coded here): fistula of duodenum (K31.6); fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,); fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913). Excludes2 (not included here): fistula of anal and rectal regions (K60.-); fistula of appendix (K38.3); intestinal-genital fistula, female (N82.2-N82.4); vesicointestinal fistula (N32.1). Code also: , if applicable, disruption of internal operation (surgical) wound (T81.32-).","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":""}