K52.9

Noninfective gastroenteritis and colitis, unspecified

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · K52.9
Excludes 1

diarrhea NOS (R19.7) functional diarrhea (K59.1) infectious gastroenteritis and colitis NOS (A09) neonatal diarrhea (noninfective) (P78.3) psychogenic diarrhea (F45.8)

Synonyms

Colitis NOS Enteritis NOS Gastroenteritis NOS Ileitis NOS Jejunitis NOS Sigmoiditis NOS

Inherited from K50-K52Noninfective enteritis and colitis
Includes

noninfective inflammatory bowel disease

Excludes 1

irritable bowel syndrome (K58.-) megacolon (K59.3-)

Inherited from chapter 11Diseases of the digestive system
Excludes 2

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

Official Guidelines for K52.9

FY 2026 ›