K52.29 Other allergic and dietetic gastroenteritis and colitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Allergic proctocolitis
• Food hypersensitivity gastroenteritis or colitis
• Food-induced eosinophilic proctocolitis
• Food protein-induced proctocolitis
• Immediate gastrointestinal hypersensitivity
• Milk protein-induced proctocolitis

Applies from K52.2 Allergic and dietetic gastroenteritis and colitis

Applicable to

• Food hypersensitivity gastroenteritis or colitis

Excludes2 (not included here)

• allergic eosinophilic colitis (K52.82)
• allergic eosinophilic esophagitis (K20.0)
• allergic eosinophilic gastritis (K52.81)
• allergic eosinophilic gastroenteritis (K52.81)

Use additional code

• code to identify type of food allergy (Z91.01-, Z91.02-)

MS-DRG index

Defines the logic of DRG(s) 391-392 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 558.3 Allergic gastroenteritis and colitis (approximate)
• 787.91 Diarrhea (approximate)

Code annotations containing back-references to K52.29

Back-references to K52.29

• Type 2 Excludes: K52.82 Eosinophilic colitis ("allergic proctocolitis (K52.29)")
• Type 2 Excludes: K52.82 Eosinophilic colitis ("food-induced eosinophilic proctocolitis (K52.29)")
• Type 2 Excludes: K52.82 Eosinophilic colitis ("food protein-induced proctocolitis (K52.29)")
• Type 2 Excludes: K52.82 Eosinophilic colitis ("milk protein-induced proctocolitis (K52.29)")
• Type 1 Excludes: T61 Toxic effect of noxious substances eaten as seafood ("gastroenteritis (noninfective) (K52.29)")
• Type 1 Excludes: T62 Toxic effect of other noxious substances eaten as food ("gastroenteritis (noninfective) (K52.29)")
• Type 2 Excludes: T78.1 Other adverse food reactions, not elsewhere classified ("allergic and dietetic gastroenteritis and colitis (K52.29)")
• Type 1 Excludes: T78.4 Other and unspecified allergy ("allergic diarrhea (K52.29)")
• Type 1 Excludes: T78.4 Other and unspecified allergy ("allergic gastroenteritis and colitis (K52.29)")

Diagnosis Index entries for K52.29

• Allergy, allergic (reaction) (to) › colitis
• Allergy, allergic (reaction) (to) › gastrointestinal › meaning colitis
• Allergy, allergic (reaction) (to) › gastrointestinal › meaning gastroenteritis
• Allergy, allergic (reaction) (to) › milk protein › gastroenteritis
• Allergy, allergic (reaction) (to) › milk protein › proctocolitis
• Allergy, allergic (reaction) (to) › proctocolitis
• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › allergic
• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › allergic › with › proctocolitis
• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › dietetic
• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › food hypersensitivity
• Diarrhea, diarrheal (disease) (infantile) (inflammatory) › allergic
• Diarrhea, diarrheal (disease) (infantile) (inflammatory) › dietetic
• Diarrhea, diarrheal (disease) (infantile) (inflammatory) › due to › food hypersensitivity
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › allergic
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › dietetic
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › due to › food hypersensitivity
• Gastroenteritis (acute) (chronic) (noninfectious) › allergic
• Gastroenteritis (acute) (chronic) (noninfectious) › dietetic
• Gastroenteritis (acute) (chronic) (noninfectious) › food hypersensitivity
• Hypersensitive, hypersensitiveness, hypersensitivity › gastrointestinal
• Hypersensitive, hypersensitiveness, hypersensitivity › gastrointestinal › immediate
• Proctocolitis › allergic
• Proctocolitis › food-induced eosinophilic
• Proctocolitis › food protein-induced
• Proctocolitis › milk protein-induced

Nearby codes

• K52.0 Gastroenteritis and colitis due to radiation
• K52.1 Toxic gastroenteritis and colitis
• K52.2 Allergic and dietetic gastroenteritis and colitis
• K52.21 Food protein-induced enterocolitis syndrome
• K52.22 Food protein-induced enteropathy
• K52.29 Other allergic and dietetic gastroenteritis and colitis (this code)
• K52.3 Indeterminate colitis
• K52.8 Other specified noninfective gastroenteritis and colitis
• K52.81 Eosinophilic gastritis or gastroenteritis
• K52.82 Eosinophilic colitis
• K52.83 Microscopic colitis