FB54.1

ICD-11 MMS 2026-01

Iliotibial band syndrome

Description

This is the most common running injury of the lateral side of the knee. It is a non-traumatic overuse injury caused by repeated flexion and extension of the knee that causes irritation in the structures around the knee causing knee pain.

Index terms

  • Iliotibial band syndrome
  • iliotibial band friction syndrome
  • Snapping hip involving iliotibial band
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  • Snapping knee involving iliotibial band

Exclusions from above levels

  • FB50.1 – Bursitis related to use, overuse or pressure
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 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

  • FB54.0 – Iliac crest spur
  • FB54.2 – Tibial collateral bursitis
  • FB54.3 – Calcaneal spur
  • FB54.4 – Metatarsalgia
  • FB54.Y – Other specified enthesopathies of lower limb
  • FB54.Z – Enthesopathies of lower limb, unspecified

Foundation entity

Iliotibial band syndrome – http://id.who.int/icd/entity/1205678043

Allowed postcoordination axes

Part of: FB54: Enthesopathies of lower limb › 15: Diseases of the musculoskeletal system or connective tissue