Skip to main content

K52.29 vs T62.94XS

K52.29 (Other allergic and dietetic gastroenteritis and colitis) compared with T62.94XS (Toxic effect of unspecified noxious substance eaten as food, undetermined, sequela), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

T62.94XS
Toxic effect of unspecified noxious substance eaten as food, undetermined, sequela
↔
K52.29
Other allergic and dietetic gastroenteritis and colitis

Not coded here — these two are mutually exclusive.

“gastroenteritis (noninfective) (K52.29)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. T62.94XS carries an Excludes1 note covering K52.29: “gastroenteritis (noninfective) (K52.29)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

K52.29Other allergic and dietetic gastroenteritis and colitisT62.94XSToxic effect of unspecified noxious substance eaten as food, undetermined, sequela
Billing statusBillableBillable
ClassificationK00-K95 — Diseases of the Digestive System (K00-K95)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionOther allergic and dietetic gastroenteritis and colitis is a billable ICD-10-CM diagnosis code (K52.29).Toxic effect of unspecified noxious substance eaten as food, undetermined, sequela is a billable ICD-10-CM diagnosis code (T62.94S).
7th character—The appropriate 7th character is to be added to each code from category T62
Includes
noninfective inflammatory bowel disease
Allergic proctocolitis
Food hypersensitivity gastroenteritis or colitis
Food-induced eosinophilic proctocolitis
—
Use additional code
code to identify type of food allergy (Z91.01-, Z91.02-)
code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
personal history of foreign body fully removed (Z87.821)
Edit this comparisonCheck a whole claim

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources