ICD-10-CM
ICD-10 code for Psoriatic arthritis: L40.50
The CDC title for "Psoriatic arthritis" is L40.5 (Arthropathic psoriasis), a header that is not billable. When nothing more specific is documented, the billable code is L40.50, Arthropathic psoriasis, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under L40.5, then other CDC titles that name arthropathic psoriasis
A header groups codes and is not billed. A billable code is one you can report.
- L40.5Arthropathic psoriasisHeader
- L40.50Arthropathic psoriasis, unspecifiedBillable
- L40.51Distal interphalangeal psoriatic arthropathyBillable
- L40.52Psoriatic arthritis mutilansBillable
- L40.53Psoriatic spondylitisBillable
- L40.54Psoriatic juvenile arthropathyBillable
- L40.59Other psoriatic arthropathyBillable
Related conditions
Related pages
- L40.50 code detailsNotes, nearby codes, CMS-HCC group
- Category L40.5Every code under it
- Chapter 12Diseases of the skin and subcutaneous tissue
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Psoriatic arthritis?
The CDC title for "Psoriatic arthritis" is L40.5 (Arthropathic psoriasis), a header that is not billable. When nothing more specific is documented, the billable code is L40.50, Arthropathic psoriasis, unspecified.
Is L40.50 billable?
Yes. L40.50 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is L40.50 in?
Chapter 12. Diseases of the skin and subcutaneous tissue.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.