FB51.1

ICD-11 MMS 2026-01

Knuckle pads

Description

These are benign, asymptomatic, well-circumscribed, smooth, firm, skin-coloured papules, nodules, or plaques, located in the skin over the dorsal aspects of the metacarpophalangeal (MCP) and interphalangeal (IP) joints.

Index terms

  • Knuckle pads
  • Garrod pads

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

Sibling codes

  • FB51.0 – Palmar fascial fibromatosis
  • FB51.2 – Fasciitis or fibromatosis
  • FB51.3 – Fibroblastic rheumatism
  • FB51.4 – Retroperitoneal fibrosis
  • FB51.Y – Other specified fibroblastic disorders
  • FB51.Z – Fibroblastic disorders, unspecified

Foundation entity

Knuckle pads – http://id.who.int/icd/entity/1824875472

Allowed postcoordination axes

Part of: FB51: Fibroblastic disorders › 15: Diseases of the musculoskeletal system or connective tissue