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L40Non-billableSave

L40 - Psoriasis

ICD-10-CM Chapter 12: Diseases of the skin and subcutaneous tissue · L40-L45 Papulosquamous disorders (L40-L45) · Top-level category · FY2027

Coding Guidance

L40 is a non-billable heading. Report one of the 8 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 2 — Not Included HereFrom Chapter L00-L99

Not part of this code; report both codes when the patient has both conditions.

  • 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.-)

More Specific Codes (8)

L40.0Psoriasis vulgaris→L40.1Generalized pustular psoriasis→L40.2Acrodermatitis continua→L40.3Pustulosis palmaris et plantaris→L40.4Guttate psoriasis→L40.5Arthropathic psoriasis→L40.8Other psoriasis→L40.9Psoriasis, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with L40.