ICD-10-CM category
L40 Psoriasis
L40 is a category, not a billable code. Report one of the 13 complete codes below.
Codes in L40
- L40.0Psoriasis vulgaris
- L40.1Generalized pustular psoriasis
- L40.2Acrodermatitis continua
- L40.3Pustulosis palmaris et plantaris
- L40.4Guttate psoriasis
- L40.50Arthropathic psoriasis, unspecified
- L40.51Distal interphalangeal psoriatic arthropathy
- L40.52Psoriatic arthritis mutilans
- L40.53Psoriatic spondylitis
- L40.54Psoriatic juvenile arthropathy
- L40.59Other psoriatic arthropathy
- L40.8Other psoriasis
- L40.9Psoriasis, unspecified
Outside the US? L40 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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