{"code":"K52.2","type":"code","title":"Allergic and dietetic gastroenteritis and colitis","codeAlso":[],"includes":["noninfective inflammatory bowel disease"],"modern_v":"official26","codeFirst":[],"excludes1":["irritable bowel syndrome (K58.-)","megacolon (K59.3-)"],"excludes2":["allergic eosinophilic colitis (K52.82)","allergic eosinophilic esophagitis (K20.0)","allergic eosinophilic gastritis (K52.81)","allergic eosinophilic gastroenteritis (K52.81)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["K52.21","K52.22","K52.29"],"inclusionTerms":["Food hypersensitivity gastroenteritis or colitis"],"sibling_titles":{"code":"K52.29","title":"Other allergic and dietetic gastroenteritis and colitis","isBillable":true},"useAdditionalCode":["code to identify type of food allergy (Z91.01-, Z91.02-)"],"clinicalDefinition":"Allergic and dietetic gastroenteritis and colitis is a non-billable ICD-10-CM category code (K52.2). A more specific billable subcode must be selected for claims submission. Includes: noninfective inflammatory bowel disease. Inclusion terms: Food hypersensitivity gastroenteritis or colitis. Excludes1 (not coded here): irritable bowel syndrome (K58.-); megacolon (K59.3-). Excludes2 (not included here): allergic eosinophilic colitis (K52.82); allergic eosinophilic esophagitis (K20.","officialDefinition":"Allergic and dietetic gastroenteritis and colitis is a non-billable ICD-10-CM category code (K52.2). A more specific billable subcode must be selected for claims submission. Includes: noninfective inflammatory bowel disease. Inclusion terms: Food hypersensitivity gastroenteritis or colitis. Excludes1 (not coded here): irritable bowel syndrome (K58.-); megacolon (K59.3-). Excludes2 (not included here): allergic eosinophilic colitis (K52.82); allergic eosinophilic esophagitis (K20.0); allergic eosinophilic gastritis (K52.81); allergic eosinophilic gastroenteritis (K52.81). Use additional code: code to identify type of food allergy (Z91.01-, Z91.02-).","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":"","noteProvenance":{"irritable bowel syndrome (K58.-)":"K52","megacolon (K59.3-)":"K52","noninfective inflammatory bowel disease":"K52"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}