FA92

ICD-11 MMS 2026-01

Inflammatory spondyloarthritis

Description

Inflammatory spondyloarthritis is a rheumatic disease referring to the group of inflammatory disorders affecting the lower limb, enthesitis, dactylitis, and uveitis. Clinical characteristics include typical patterns of peripheral arthritis (i.e., predominantly of the lower limb and asymmetric), absence of rheumatoid factor, absence of subcutaneous nodules and other extra-articular features of rheumatoid arthritis, overlapping extra-articular features of the group (e.g., anterior uveitis), and significant familial aggregation and association with HLA-B27.

Excludes

  • FA13 – Infectious spondyloarthritis

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • DA0E.8 – Temporomandibular joint disorders

Child codes

  • FA92.0 – Axial spondyloarthritis
  • FA92.1 – Peripheral spondyloarthritis
  • FA92.Y – Other specified inflammatory spondyloarthritis
  • FA92.Z – Inflammatory spondyloarthritis, unspecified

Sibling codes

  • FA90 – Infection of vertebra
  • FA91 – Infection of intervertebral disc
  • FA9Y – Other specified inflammation of spine
  • FA9Z – Inflammation of spine, unspecified

Foundation entity

Inflammatory spondyloarthritis – http://id.who.int/icd/entity/1848981072

Allowed postcoordination axes

Part of: 15: Diseases of the musculoskeletal system or connective tissue