L40

Non-billable

Psoriasis

L40 is the ICD-10-CM code for Psoriasis. It is a non-billable category code — use a more specific child code such as L40.0 for billing.

Status
Header (non-billable)
Chapter
L00-L99
Subcodes
8
Edition
FY2026

L00-L99 Diseases of the skin and subcutaneous tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code L40?
L40 is the ICD-10-CM code for "Psoriasis". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
Is L40 a billable code?
No — L40 is a non-billable header code. Use a more specific child code (such as L40.0) for billing.
What are the subcodes of L40?
L40 has 8 more specific child codes, including L40.0, L40.1, L40.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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