K20.0 is the authoritative medical code for Eosinophilic esophagitis. This classification is used in medical billing and clinical recording to specify the clinical criteria for eosinophilic esophagitis (ICD-10-CM K20.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Sequencing, inclusion, and exclusion notes published for K20.0 in the official ICD-10-CM tabular list.
Conditions that can never be reported with this code; the two are mutually exclusive.
Conditions not covered by this code, but which may be reported alongside it when both are present.
Supplementary codes the tabular list directs you to add.
Per Excludes1 instructions, K20.0 must not be reported with: erosion of esophagus (K22.1-); esophagitis with gastro-esophageal reflux disease (K21.0-); reflux esophagitis (K21.0-); ulcerative esophagitis (K22.1-).
Per Excludes2 instructions, K20.0 and the following may both be reported when both are present: eosinophilic gastritis or gastroenteritis (K52.81); hiatus hernia (K44.-).
Use additional code(s) to specify: code to identify:; alcohol abuse and dependence (F10.-).
Official ICD-10-CM classifications in the same code family as K20.0, with their registry titles.
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: