{"code":"K50.1","type":"code","title":"Crohn's disease of large intestine","codeAlso":[],"includes":["granulomatous enteritis","noninfective inflammatory bowel disease"],"modern_v":"official26","codeFirst":[],"excludes1":["Crohn's disease of both small and large intestine (K50.8)","ulcerative colitis (K51.-)","irritable bowel syndrome (K58.-)","megacolon (K59.3-)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["K50.10","K50.11","K50.111","K50.112","K50.113","K50.114","K50.118","K50.119"],"inclusionTerms":["Crohn's disease [regional enteritis] of colon","Crohn's disease [regional enteritis] of large bowel","Crohn's disease [regional enteritis] of rectum","Granulomatous colitis","Regional colitis"],"sibling_titles":{"code":"K50.119","title":"Crohn's disease of large intestine with unspecified complications","isBillable":true},"useAdditionalCode":["code to identify any associated fistulas, if applicable:","anal fistula (K60.3-)","anorectal fistula (K60.5-)","rectal fistula (K60.4-)","code to identify manifestations, such as:","pyoderma gangrenosum (L88)"],"clinicalDefinition":"Crohn's disease of large intestine is a non-billable ICD-10-CM category code (K50.1). A more specific billable subcode must be selected for claims submission. Includes: granulomatous enteritis; noninfective inflammatory bowel disease. Inclusion terms: Crohn's disease [regional enteritis] of colon; Crohn's disease [regional enteritis] of large bowel; Crohn's disease [regional enteritis] of rectum; Granulomatous colitis; Regional colitis.","officialDefinition":"Crohn's disease of large intestine is a non-billable ICD-10-CM category code (K50.1). A more specific billable subcode must be selected for claims submission. Includes: granulomatous enteritis; noninfective inflammatory bowel disease. Inclusion terms: Crohn's disease [regional enteritis] of colon; Crohn's disease [regional enteritis] of large bowel; Crohn's disease [regional enteritis] of rectum; Granulomatous colitis; Regional colitis. Excludes1 (not coded here): Crohn's disease of both small and large intestine (K50.8); ulcerative colitis (K51.-); irritable bowel syndrome (K58.-); megacolon (K59.3-). Use additional code: code to identify any associated fistulas, if applicable:; anal fistula (K60.3-); anorectal fistula (K60.5-); rectal fistula (K60.4-); code to identify manifestations, such as:; pyoderma gangrenosum (L88).","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":""}