FB41.0

ICD-11 MMS 2026-01

Spontaneous rupture of popliteal cyst

Description

This is a rupture of the semimembranous or more rarely some other synovial bursa, or fluid filled sac, found behind the knee joint.

Coding note from above levels

Includes rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength.

Index terms

  • Spontaneous rupture of popliteal cyst
  • ruptured Baker cyst

Exclusions from above levels

  • 22 – rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region
  • FB53.1 – rotator cuff syndrome
  • 01 – Certain infectious or parasitic diseases
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  • 05 – Endocrine, nutritional or metabolic diseases
  • 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

  • FB41.1 – Spontaneous rupture of synovium
  • FB41.2 – Spontaneous rupture of tendon
  • FB41.Y – Other specified spontaneous rupture of synovium or tendon
  • FB41.Z – Spontaneous rupture of synovium or tendon, unspecified

Foundation entity

Spontaneous rupture of popliteal cyst – http://id.who.int/icd/entity/594172949

Allowed postcoordination axes

Part of: FB41: Spontaneous rupture of synovium or tendon › 15: Diseases of the musculoskeletal system or connective tissue