L43
Non-billableLichen planus
L43 is the ICD-10-CM code for Lichen planus. It is a non-billable category code — use a more specific child code such as L43.0 for billing.
- Status
- Header (non-billable)
- Chapter
- L00-L99
- Subcodes
- 6
- Edition
- FY2026
L00-L99 Diseases of the skin and subcutaneous tissue
What this means — in plain language
MedlinePlus · NIHWhat does your skin do? Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it: Holds body fluids in, which helps prevent you from getting dehydrated Keeps out harmful germs, which helps prevent infections Helps you feel things like heat, cold, and pain Helps control your body temperature…
Read more about Skin Conditions at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •lichen planopilaris (L66.1-)
Frequently asked questions
- What is ICD-10 code L43?
- L43 is the ICD-10-CM code for "Lichen planus". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
- Is L43 a billable code?
- No — L43 is a non-billable header code. Use a more specific child code (such as L43.0) for billing.
- What is excluded from L43?
- Excludes1 (not coded here): lichen planopilaris (L66.1-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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