K52.2

K52.2: Allergic and dietetic gastroenteritis and colitis

Non-billable headerICD-10-CM

K52.2 is a non-billable header ICD-10-CM code for allergic and dietetic gastroenteritis and colitis. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

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

Use additional code

Add a secondary code to capture the detail described below.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Food hypersensitivity gastroenteritis or colitis

Other codes that can never be billed with K52.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

T61Toxic effect of noxious substances eaten as seafood
T62Toxic effect of other noxious substances eaten as food
T78.4Other and unspecified allergy

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K52.2

3 child codes. Green means billable.