• hiatus hernia (K44.-)
  1. K29 Gastritis and duodenitis


    • eosinophilic gastritis or gastroenteritis (K52.81)
    • Zollinger-Ellison syndrome (E16.4)
    1. K29.0 Acute gastritis

      1. K29.00 Acute gastritis without bleeding

      2. K29.01 Acute gastritis with bleeding

    2. K29.2 Alcoholic gastritis

      1. K29.20 Alcoholic gastritis without bleeding

      2. K29.21 Alcoholic gastritis with bleeding

    3. K29.3 Chronic superficial gastritis

      1. K29.30 Chronic superficial gastritis without bleeding

      2. K29.31 Chronic superficial gastritis with bleeding

    4. K29.4 Chronic atrophic gastritis

      Inclusion term(s):

      • Gastric atrophy
      1. K29.40 Chronic atrophic gastritis without bleeding

      2. K29.41 Chronic atrophic gastritis with bleeding

    5. K29.5 Unspecified chronic gastritis

      Inclusion term(s):

      • Chronic antral gastritis
      • Chronic fundal gastritis
      1. K29.50 Unspecified chronic gastritis without bleeding

      2. K29.51 Unspecified chronic gastritis with bleeding

    6. K29.6 Other gastritis

      Inclusion term(s):

      • Giant hypertrophic gastritis
      • Granulomatous gastritis
      • Ménétrier's disease
      1. K29.60 Other gastritis without bleeding

      2. K29.61 Other gastritis with bleeding

    7. K29.7 Gastritis, unspecified

      1. K29.70 Gastritis, unspecified, without bleeding

      2. K29.71 Gastritis, unspecified, with bleeding

    8. K29.8 Duodenitis

      1. K29.80 Duodenitis without bleeding

      2. K29.81 Duodenitis with bleeding

    9. K29.9 Gastroduodenitis, unspecified

      1. K29.90 Gastroduodenitis, unspecified, without bleeding

      2. K29.91 Gastroduodenitis, 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.