K52.0 Gastroenteritis and colitis due to radiation

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 558.1 Gastroenteritis and colitis due to radiation

Code annotations containing back-references to K52.0

Back-references to K52.0

• Type 2 Excludes: K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified ("radiation colitis (K52.0)")
• Type 2 Excludes: K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified ("radiation gastroenteritis (K52.0)")
• Type 1 Excludes: T66 Radiation sickness, unspecified ("radiation gastroenteritis and colitis (K52.0)")

Diagnosis Index entries for K52.0

• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) › due to radiation
• Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) › radiation
• Enterocolitis › radiation
• Gastroenteritis (acute) (chronic) (noninfectious) › due to › radiation

Nearby codes

• K52 Other and unspecified noninfective gastroenteritis and colitis
• K52.0 Gastroenteritis and colitis due to radiation (this code)
• 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