L40.9Billable

Psoriasis, unspecified

Chapter
12. Diseases of the skin and subcutaneous tissue
Category
L40
Effective date
October 1, 2026

Related codes in category L40

Frequently asked questions

What is ICD-10 code L40.9?

L40.9 is an ICD-10-CM diagnosis code for Psoriasis, unspecified.

Is L40.9 a billable code?

Yes. L40.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is L40.9 in?

L40.9 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L40.9 become effective?

L40.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L40.9?

L40.9 belongs to category L40, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.