Diagnosis Code

K20 ESOPHAGITIS


Code Information

Diagnosis Code: K20

Short Description: Esophagitis

Long Description: Esophagitis

The code K20 is NOT VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K95)
    • Diseases of esophagus, stomach and duodenum (K20-K31)
      • Esophagitis (K20)
        • K20 Esophagitis

Code Version: 2022 ICD-10-CM


References to Index of Diseases and Injuries

The code K20 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • erosion of esophagus (@K22.1*-)
    • esophagitis with gastro-esophageal reflux disease (@K21.0*-)
    • reflux esophagitis (@K21.0*-)
    • ulcerative esophagitis (@K22.1*-)
  • Type 2 Excludes Notes:
    • eosinophilic gastritis or gastroenteritis (@K52.81*)

Similar Codes

ICD-10 Code ICD-10 Description
K20.0 Eosinophilic esophagitis
K20.8 Other esophagitis
K20.80 Other esophagitis without bleeding
K20.81 Other esophagitis with bleeding
K20.9 Esophagitis, unspecified
K20.90 Esophagitis, unspecified without bleeding
K20.91 Esophagitis, unspecified with bleeding


This page was last updated on: 10/1/2023