L40.1

Generalized pustular psoriasis

Billable / specific

L40.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Impetigo herpetiformis
  • Von Zumbusch's disease

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from L40)
  • certain infectious and parasitic diseases (A00-B99) (from L40)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from L40)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from L40)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from L40)
  • lipomelanotic reticulosis (I89.8) (from L40)
  • neoplasms (C00-D49) (from L40)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from L40)
  • systemic connective tissue disorders (M30-M36) (from L40)
  • viral warts (B07.-) (from L40)

Also known as

  • Impetigo herpetiformis
  • Von Zumbusch's disease
  • Impetigo, herpetiformis
  • Impetigo, herpetiformis, nonobstetrical
  • Psoriasis, pustular

Parent code

  • L40PsoriasisHeader

Related codes

  • L40.0Psoriasis vulgarisBillable
  • L40.2Acrodermatitis continuaBillable
  • L40.3Pustulosis palmaris et plantarisBillable
  • L40.4Guttate psoriasisBillable
  • L40.5Arthropathic psoriasisHeader
  • L40.8Other psoriasisBillable
  • L40.9Psoriasis, unspecifiedBillable

Browse