9C80.1

ICD-11 MMS 2026-01

Exotropia

Description

Exotropia is an abnormal binocular alignment in which one of the eyes has an outward deviation. Fixation can be alternatiing or monocular. Exotropia is present in all distances.

Index terms

  • Exotropia
  • Divergent concomitant strabismus
  • XT - [exotropia]
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  • divergent squint
  • divergent strabismus
  • external strabismus
  • Monocular exotropia
  • Monocular exotropia with A pattern
  • Monocular exotropia with V pattern
  • Monocular exotropia with other noncomitancies
  • Alternating exotropia
  • Alternating exotropia with A pattern
  • Alternating exotropia with V pattern
  • Alternating exotropia with other noncomitancies

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

  • 9C80.0 – Esotropia
  • 9C80.2 – Vertical or torsional strabismus
  • 9C80.3 – Intermittent strabismus
  • 9C80.4 – Heterophoria
  • 9C80.5 – Mechanical strabismus
  • 9C80.Y – Other specified non paralytic strabismus
  • 9C80.Z – Non paralytic strabismus, unspecified

Foundation entity

Exotropia – http://id.who.int/icd/entity/2116859618

Allowed postcoordination axes

Part of: 9C80: Non paralytic strabismus › 09: Diseases of the visual system