Excludes2

  • hiatus hernia (K44.-)
  1. K20 Esophagitis

    Use additional code to identify:
    alcohol abuse and dependence (F10.-)

    Excludes1

    • erosion of esophagus (K22.1-)
    • esophagitis with gastro-esophageal reflux disease (K21.0-)
    • reflux esophagitis (K21.0-)
    • ulcerative esophagitis (K22.1-)

    Excludes2

    • eosinophilic gastritis or gastroenteritis (K52.81)
    1. K20.0 Eosinophilic esophagitis

    2. K20.8 Other esophagitis

      1. K20.80 Other esophagitis without bleeding

        Inclusion term(s):

        • Abscess of esophagus
        • Other esophagitis NOS
      2. K20.81 Other esophagitis with bleeding

    3. K20.9 Esophagitis, unspecified

      1. K20.90 Esophagitis, unspecified without bleeding

        Inclusion term(s):

        • Esophagitis NOS
      2. K20.91 Esophagitis, unspecified with bleeding

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.