{"code":"K63.3","type":"code","title":"Ulcer of intestine","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["duodenal ulcer (K26.-)","gastrointestinal ulcer (K28.-)","gastrojejunal ulcer (K28.-)","jejunal ulcer (K28.-)","peptic ulcer, site unspecified (K27.-)","ulcer of intestine with perforation (K63.1)","ulcer of anus or rectum (K62.6)","ulcerative colitis (K51.-)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["K63","K63.0","K63.1","K63.2","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":["Primary ulcer of small intestine"],"sibling_titles":{"code":"K63.9","title":"Disease of intestine, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Ulcer of intestine is a billable ICD-10-CM diagnosis code (K63.3). Inclusion terms: Primary ulcer of small intestine. Excludes1 (not coded here): duodenal ulcer (K26.-); gastrointestinal ulcer (K28.-); gastrojejunal ulcer (K28.-); jejunal ulcer (K28.-); peptic ulcer, site unspecified (K27.-); ulcer of intestine with perforation (K63.1); ulcer of anus or rectum (K62.6); ulcerative colitis (K51.-).","officialDefinition":"Ulcer of intestine is a billable ICD-10-CM diagnosis code (K63.3). Inclusion terms: Primary ulcer of small intestine. Excludes1 (not coded here): duodenal ulcer (K26.-); gastrointestinal ulcer (K28.-); gastrojejunal ulcer (K28.-); jejunal ulcer (K28.-); peptic ulcer, site unspecified (K27.-); ulcer of intestine with perforation (K63.1); ulcer of anus or rectum (K62.6); ulcerative colitis (K51.-).","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":""}