K52.1 – Toxic gastroenteritis and colitis

ICD-10-CM 2027 diagnosis code · Noninfective enteritis and colitis

Billable code

ICD-10-CM code K52.1

Code: K52.1 (claims format: K521)
Description: Toxic gastroenteritis and colitis
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K50-K52 Noninfective enteritis and colitis
Parent codes: K52

Notes for K52.1

Applicable to:

Drug-induced gastroenteritis and colitis

Code first:

(T51-T65) to identify toxic agent

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block K50-K52

Includes:

noninfective inflammatory bowel disease

Excludes1 (not coded here):

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

Index terms for K52.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K52

Frequently asked questions

What is ICD-10 code K52.1?

K52.1 is the ICD-10-CM code for toxic gastroenteritis and colitis, in the block K50-K52 (Noninfective enteritis and colitis).

Is K52.1 a billable code?

Yes. K52.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K52.1 belong to?

It belongs to category K52 – Other and unspecified noninfective gastroenteritis and colitis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.