9A03.02

ICD-11 MMS 2026-01

Myogenic ptosis of eyelid

Description

This refers to a contraction initiated by the myocyte cell itself instead of an outside occurrence or stimulus such as nerve innervation, causing drooping or falling of the eyelid. The drooping may be worse after being awake longer, when the individual's muscles are tired.

Index terms

  • Myogenic ptosis of eyelid
  • Myogenic ptosis of upper eyelid
  • Myogenic ptosis of lower eyelid

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
  • 8A21.0 – Posterior cortical atrophy

Sibling codes

  • 9A03.00 – Marcus-Gunn syndrome
  • 9A03.01 – Mechanical ptosis of eyelid
  • 9A03.03 – Paralytic ptosis of eyelid
  • 9A03.0Y – Other specified blepharoptosis
  • 9A03.0Z – Blepharoptosis, unspecified

Foundation entity

Myogenic ptosis of eyelid – http://id.who.int/icd/entity/807528854

Allowed postcoordination axes

Part of: 9A03.0: Blepharoptosis › 9A03: Acquired malposition of eyelid › 09: Diseases of the visual system