PL11.5

ICD-11 MMS 2026-01

Procedure undertaken at wrong site or wrong side, as mode of injury or harm

Coding note

Code first the injury or harm associated with the procedure or intervention. Code also the cause of harm which identifies the procedure or intervention.

Coding note from above levels

Code first the injury or harm associated with the procedure. Code also the cause of harm which identifies the procedure or intervention.

Index terms

  • Procedure undertaken at wrong site or wrong side, as mode of injury or harm
  • operation performed on incorrect site
  • surgery undergone on incorrect body part
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  • wrong surgery
  • Performance of inappropriate operation

Excludes

  • PL14.C – Patient received diagnostic test or treatment intended for another patient

Exclusions from above levels

  • PL13 – Mode of injury or harm associated with exposure to a drug, medicament or biological substance

Sibling codes

  • PL11.0 – Cut, puncture or tear, as mode of injury or harm
  • PL11.1 – Burn arising during procedure, as mode of injury or harm
  • PL11.2 – Embolisation, as mode of injury or harm
  • PL11.3 – Foreign body accidentally left in body, as mode of injury or harm
  • PL11.4 – Failure of sterile precautions, as mode of injury or harm
  • PL11.6 – Pressure, as mode of injury or harm
  • PL11.Y – Other specified mode of injury or harm associated with a surgical or other medical procedure
  • PL11.Z – Unspecified mode of injury or harm associated with a surgical or other medical procedure

Foundation entity

Procedure undertaken at wrong site or wrong side, as mode of injury or harm – http://id.who.int/icd/entity/40498080

Allowed postcoordination axes

Part of: PL11: Mode of injury or harm associated with a surgical or other medical procedure › 23: External causes of morbidity or mortality