L23.6 vs L27.2
L23.6 (Allergic contact dermatitis due to food in contact with the skin) compared with L27.2 (Dermatitis due to ingested food), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. L23.6 carries an Excludes2 note covering L27.2: “dermatitis due to ingested food (L27.2)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. L23.6 carries an Excludes2 note covering L27.2: “dermatitis due to substances taken internally (L27.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. L27.2 carries an Excludes2 note covering L23.6: “dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. L27.2 carries an Excludes2 note covering L23.6: “contact dermatitis (L23-L25)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L23.6Allergic contact dermatitis due to food in contact with the skin | L27.2Dermatitis due to ingested food | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Allergic contact dermatitis due to food in contact with the skin is a billable ICD-10-CM diagnosis code (L23.6). | Dermatitis due to ingested food is a billable ICD-10-CM diagnosis code (L27.2). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources