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L27.2 vs T62.93XD

L27.2 (Dermatitis due to ingested food) compared with T62.93XD (Toxic effect of unspecified noxious substance eaten as food, assault, subsequent encounter), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

T62.93XD
Toxic effect of unspecified noxious substance eaten as food, assault, subsequent encounter
↔
L27.2
Dermatitis due to ingested food

Not coded here — these two are mutually exclusive.

“dermatitis (L23.6, L25.4, L27.2)”

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. T62.93XD carries an Excludes1 note covering L27.2: “dermatitis (L23.6, L25.4, L27.2)”

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

L27.2Dermatitis due to ingested foodT62.93XDToxic effect of unspecified noxious substance eaten as food, assault, subsequent encounter
Billing statusBillableBillable
ClassificationL00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionDermatitis due to ingested food is a billable ICD-10-CM diagnosis code (L27.2).Toxic effect of unspecified noxious substance eaten as food, assault, subsequent encounter is a billable ICD-10-CM diagnosis code (T62.93D).
7th character—The appropriate 7th character is to be added to each code from category T62
Use additional code—
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)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources