9B01.1

ICD-11 MMS 2026-01

Parasympathoparetic pupils

Description

Damage to the parasympathetic outflow to the iris sphincter muscle

Index terms

  • Parasympathoparetic pupils
  • Central parasympathoparetic pupils
  • Tonic pupil
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  • Local tonic pupils
  • Neuropathic tonic pupils
  • Adie syndrome
  • Adie's pupil
  • Adie's pupil syndrome
  • Holmes-Adie syndrome
  • Holmes-Adie tonic pupil syndrome

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

Foundation children elsewhere

Sibling codes

  • 9B01.0 – Physiologic anisocoria
  • 9B01.2 – Pharmacologic inhibition of the parasympathetic pathway
  • 9B01.3 – Iris sphincter disorders
  • 9B01.4 – Pharmacologic parasympathicotonic pupils
  • 9B01.5 – Pharmacologic sympathoparetic pupils
  • 9B01.6 – Sympathotonic pupils
  • 9B01.7 – Episodic unilateral mydriasis
  • 9B01.Y – Other specified disorders of the efferent pupillary system
  • 9B01.Z – Disorders of the efferent pupillary system, unspecified

Foundation entity

Parasympathoparetic pupils – http://id.who.int/icd/entity/2124047550

Allowed postcoordination axes

Part of: 9B01: Disorders of the efferent pupillary system › 09: Diseases of the visual system