L27
Non-billableDermatitis due to substances taken internally
L27 is the ICD-10-CM code for Dermatitis due to substances taken internally. It is a non-billable category code — use a more specific child code such as L27.0 for billing.
- Status
- Header (non-billable)
- Chapter
- L00-L99
- Subcodes
- 5
- Edition
- FY2026
L00-L99 Diseases of the skin and subcutaneous tissue
Excludes1 — not coded here
- •allergy NOS (T78.40)
Excludes2 — not included here
Frequently asked questions
- What is ICD-10 code L27?
- L27 is the ICD-10-CM code for "Dermatitis due to substances taken internally". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
- Is L27 a billable code?
- No — L27 is a non-billable header code. Use a more specific child code (such as L27.0) for billing.
- What is excluded from L27?
- Excludes1 (not coded here): allergy NOS (T78.40).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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