FA21ICD-11 MMS 2026-01
Psoriatic arthritis
Description
Psoriatic arthritis, a member of the spondyloarthritis family, is defined as an inflammatory arthropathy associated with psoriasis that is usually rheumatic factor negative. It is characterised by various clinical manifestations, including symmetric polyarthritis, asymmetric oligoarthritis or polyarthritis, spinal inflammation similar to ankylosing spondylitis, peripheral enthesitis, anterior chest wall involvement, distal interphalangeal arthritis of the hands and feet, dactylitis (sausage digit or toe), arthritis mutilans and onycho-pachydermo-periostitis. The CASPAR has high sensitivity and specificity.
Excludes
FA24.2– Juvenile psoriatic arthritis
Exclusions from above levels
Child codes
Sibling codes
Foundation entity
Psoriatic arthritis – http://id.who.int/icd/entity/868183264
Allowed postcoordination axes
Part of: 15: Diseases of the musculoskeletal system or connective tissue