{"code":"K55.019","type":"code","title":"Acute (reversible) ischemia of small intestine, extent unspecified","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["necrotizing enterocolitis of newborn (P77.-)"],"excludes2":["angioectasia (angiodysplasia) duodenum (K31.81-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Acute (reversible) ischemia of small intestine, extent unspecified is a billable ICD-10-CM diagnosis code (K55.019). Excludes1 (not coded here): necrotizing enterocolitis of newborn (P77.-). Excludes2 (not included here): angioectasia (angiodysplasia) duodenum (K31.81-).","officialDefinition":"Acute (reversible) ischemia of small intestine, extent unspecified is a billable ICD-10-CM diagnosis code (K55.019). Excludes1 (not coded here): necrotizing enterocolitis of newborn (P77.-). Excludes2 (not included here): angioectasia (angiodysplasia) duodenum (K31.81-).","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":""}