{"code":"K21.00","type":"code","title":"Gastro-esophageal reflux disease with esophagitis, without bleeding","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["newborn esophageal reflux (P78.83)"],"excludes2":["hiatus hernia (K44.-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":["Reflux esophagitis"],"useAdditionalCode":[],"clinicalDefinition":"Gastro-esophageal reflux disease with esophagitis, without bleeding is a billable ICD-10-CM diagnosis code (K21.00). Inclusion terms: Reflux esophagitis. Excludes1 (not coded here): newborn esophageal reflux (P78.83). Excludes2 (not included here): hiatus hernia (K44.-).","officialDefinition":"Gastro-esophageal reflux disease with esophagitis, without bleeding is a billable ICD-10-CM diagnosis code (K21.00). Inclusion terms: Reflux esophagitis. Excludes1 (not coded here): newborn esophageal reflux (P78.83). Excludes2 (not included here): hiatus hernia (K44.-).","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":""}