MB55

ICD-11 MMS 2026-01

Monoplegia of lower extremity

Description

This is a loss of motor control in one leg.

Coding note from above levels

For primary coding, the following categories are to be used only when the relevant paralytic syndrome (complete) (incomplete) is reported without further specification, or is stated to be old or longstanding but of unspecified cause.

Inclusions

  • Paralysis of leg
  • paralysis of lower limb

Exclusions from above levels

  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Child codes

  • MB55.0 – Flaccid monoplegia of lower extremity
  • MB55.1 – Spastic monoplegia of lower extremity
  • MB55.Z – Monoplegia of lower extremity, unspecified

Sibling codes

  • MB50 – Tetraplegia
  • MB51 – Diplegia of upper extremities
  • MB52 – Diplegia of lower extremities
  • MB53 – Hemiplegia
  • MB54 – Monoplegia of upper extremity
  • MB56 – Paraplegia
  • MB57 – Functional level of injury of spinal cord
  • MB5Y – Other specified paralytic symptoms
  • MB5Z – Paralytic symptoms, unspecified

Foundation entity

Monoplegia of lower extremity – http://id.who.int/icd/entity/537940810

Allowed postcoordination axes

Part of: 21: Symptoms, signs or clinical findings, not elsewhere classified