L40.1Billable
Generalized pustular psoriasis
- Chapter
- 12. Diseases of the skin and subcutaneous tissue
- Category
- L40
- Effective date
- October 1, 2026
Related codes in category L40
L40PsoriasisL40.0Psoriasis vulgarisYesL40.2Acrodermatitis continuaYesL40.3Pustulosis palmaris et plantarisYesL40.4Guttate psoriasisYesL40.5Arthropathic psoriasisL40.50Arthropathic psoriasis, unspecifiedYesL40.51Distal interphalangeal psoriatic arthropathyYesL40.52Psoriatic arthritis mutilansYesL40.53Psoriatic spondylitisYesL40.54Psoriatic juvenile arthropathyYesL40.59Other psoriatic arthropathyYes
Frequently asked questions
What is ICD-10 code L40.1?
L40.1 is an ICD-10-CM diagnosis code for Generalized pustular psoriasis.
Is L40.1 a billable code?
Yes. L40.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is L40.1 in?
L40.1 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.
When did L40.1 become effective?
L40.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to L40.1?
L40.1 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.