L40.1
L40.1: Generalized pustular psoriasis
Billable / specific codeICD-10-CM
L40.1 is a billable, specific ICD-10-CM code for generalized pustular psoriasis. It is valid for submission on a claim.
Check L40.1 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Impetigo herpetiformis
- Von Zumbusch's disease
Other codes that can never be billed with L40.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
L40.1 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52423Billing and Coding: Infliximab and biosimilars
- A52998Billing and Coding: Surgical Treatment of Nails
- A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
Alphabetic index entries that lead here
- Von Zumbusch's disease
- Impetigo›herpetiformis
- Psoriasis›pustular(generalized)
- Impetigo›herpetiformis›nonobstetrical
Code history
Unchanged in every release from FY2024 to FY2027.