ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 11  /  K50-K52  /  K52
K52 Other and unspecified noninfective gastroenteritis and colitis
K52.0 Gastroenteritis and colitis due to radiation
K52.1 Toxic gastroenteritis and colitis
Drug-induced gastroenteritis and colitis
CodeFirst (T51-T65) to identify toxic agent
UseAdditionalCode code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
K52.2 Allergic and dietetic gastroenteritis and colitis
Food hypersensitivity gastroenteritis or colitis
UseAdditionalCode code to identify type of food allergy (Z91.01-, Z91.02-)
Excludes2 allergic eosinophilic colitis (K52.82)
allergic eosinophilic esophagitis (K20.0)
allergic eosinophilic gastritis (K52.81)
allergic eosinophilic gastroenteritis (K52.81)
K52.21 Food protein-induced enterocolitis syndrome
FPIES
UseAdditionalCode code for hypovolemic shock, if present (R57.1)
K52.22 Food protein-induced enteropathy
K52.29 Other allergic and dietetic gastroenteritis and colitis
Allergic proctocolitis
Food hypersensitivity gastroenteritis or colitis
Food-induced eosinophilic proctocolitis
Food protein-induced proctocolitis
Immediate gastrointestinal hypersensitivity
Milk protein-induced proctocolitis
K52.3 Indeterminate colitis
Colonic inflammatory bowel disease unclassified (IBDU)
Excludes1 unspecified colitis (K52.9)
K52.8 Other specified noninfective gastroenteritis and colitis
K52.81 Eosinophilic gastritis or gastroenteritis
Eosinophilic enteritis
Excludes2 eosinophilic esophagitis (K20.0)
K52.82 Eosinophilic colitis
Excludes2 allergic proctocolitis (K52.29)
food-induced eosinophilic proctocolitis (K52.29)
food protein-induced enterocolitis syndrome (FPIES) (K52.21)
food protein-induced proctocolitis (K52.29)
milk protein-induced proctocolitis (K52.29)
K52.83 Microscopic colitis
K52.831 Collagenous colitis
K52.832 Lymphocytic colitis
K52.838 Other microscopic colitis
K52.839 Microscopic colitis, unspecified
K52.89 Other specified noninfective gastroenteritis and colitis
K52.9 Noninfective gastroenteritis and colitis, unspecified
Colitis NOS
Enteritis NOS
Gastroenteritis NOS
Ileitis NOS
Jejunitis NOS
Sigmoiditis NOS
Excludes1 diarrhea NOS (R19.7)
functional diarrhea (K59.1)
infectious gastroenteritis and colitis NOS (A09)
neonatal diarrhea (noninfective) (P78.3)
psychogenic diarrhea (F45.8)