K52.81

Eosinophilic gastritis or gastroenteritis

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 11 never code together

Excludes2

Excludes1

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2

Inclusion terms

Includes

Index entries leading here 3

Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
- allergic K52.29
  - with
    - eosinophilic gastritis or gastroenteritis K52.81
- eosinophilic K52.81
Gastroenteritis (acute) (chronic) (noninfectious) K52.9
- allergic K52.29
  - with
    - eosinophilic gastritis or gastroenteritis K52.81
- eosinophilic K52.81
Gastritis (simple) K29.70
- eosinophilic K52.81

Alongside this code 3 same parent — K52.8

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.