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K52.22

Food protein-induced enteropathy

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 14 never code together
K52.2code
Excludes2
  • allergic eosinophilic colitis (K52.82)K52.82
  • allergic eosinophilic esophagitis (K20.0)K20.0
  • allergic eosinophilic gastritis (K52.81)K52.81
  • allergic eosinophilic gastroenteritis (K52.81)K52.81
K50-K52block
Excludes1
  • irritable bowel syndrome (K58.-)K58.-
  • megacolon (K59.3-)K59.3-
K00-K95chapter
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 3
K52.2code
Inclusion terms
  • Food hypersensitivity gastroenteritis or colitis
Use additional code
  • code to identify type of food allergy (Z91.01-, Z91.02-)Z91.01-Z91.02-
K50-K52block
Includes
  • noninfective inflammatory bowel disease
Index entries leading here 4
  • Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
    • allergic K52.29
      • with
        • food protein-induced enteropathy K52.22
  • Gastroenteritis (acute) (chronic) (noninfectious) K52.9
    • allergic K52.29
      • with
        • food protein-induced enteropathy K52.22
  • Allergy, allergic (reaction) (to) T78.40
  • Enteropathy K63.9
Alongside this code 2 same parent — K52.2
K52.21 Food protein-induced enterocolitis syndrome K52.29 Other allergic and dietetic gastroenteritis and colitis
Additional references
AHA Coding Clinic® Licence required

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

Risk adjustment

Maps to no condition category in any loaded model.

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

This code

Billable
yes
Code set
FY2026
Parent
K52.2
Block
K50-K52
Siblings
2

Present FY2024–FY2027.