L40.1

ICD-10Billable

Generalized pustular psoriasis

Official ICD-10-CM descriptor (FY2026)

Generalized pustular psoriasis

L40.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Impetigo herpetiformis
  • Von Zumbusch's disease

Related codes in L40

Where this code sits

Parent code
L40

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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