Other psoriatic arthropathy

This code represents a form of inflammatory arthritis associated with psoriasis, affecting joints and entheses, but not specifically classified as psoriatic spondylitis, arthritis mutilans, or other specified forms. It encompasses a range of manifestations including oligoarthritis, polyarthritis, and dactylitis, without meeting criteria for more specific psoriatic arthropathy subtypes.

Use this code when the patient has a diagnosis of psoriatic arthritis that does not fit into the more specific categories of psoriatic spondylitis (L40.50), arthritis mutilans (L40.51), or other specified forms (L40.54). Documentation should clearly indicate psoriatic arthropathy with joint involvement, but without explicit mention of axial involvement or severe destructive changes characteristic of arthritis mutilans.

• Always code the underlying psoriasis first (L40.0-L40.9) before coding the psoriatic arthropathy.
• Ensure documentation specifies the type of psoriatic arthropathy; if a more specific type (e.g., L40.50, L40.51, L40.52, L40.53, L40.54) is identified, use that code instead.
• Do not use this code if the documentation indicates psoriatic arthritis with spinal involvement (L40.50) or severe destructive arthritis (L40.51).