L40 — Psoriasis
Not billable
Is L40 billable?
No — L40 is a non-billable header code. L40 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 13 billable codes beneath L40.
Billable codes under this header
- L40.0Psoriasis vulgaris
- L40.1Generalized pustular psoriasis
- L40.2Acrodermatitis continua
- L40.3Pustulosis palmaris et plantaris
- L40.4Guttate psoriasis
- L40.8Other psoriasis
- L40.9Psoriasis, unspecified
- 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 at a glance
| Code | L40 |
|---|---|
| Description | Psoriasis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here — inherited from Chapter 12
The conditions below are not part of L40, but a patient may have both at the same time. When documentation supports it, L40 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
What codes fall under L40? (8)
How long has L40 existed?
L40 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.