9C61.21

ICD-11 MMS 2026-01

Pigmentary open-angle glaucoma

Description

Pigmentary open-angle glaucoma is a condition where pigment is liberated due to rubbing of the zonules against the posterior iris sheath that leads to obstruction of the trabecular meshwork causing intraocular pressure elevation and subsequent optic nerve damage.

Index terms

  • Pigmentary open-angle glaucoma
  • PG - [pigmentary glaucoma]

Exclusions from above levels

  • KA41 – Traumatic glaucoma due to birth injury
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 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

  • 9C61.20 – Pseudoexfoliative open-angle glaucoma
  • 9C61.22 – Lens-induced secondary open-angle glaucoma
  • 9C61.23 – Glaucoma associated with intraocular haemorrhage
  • 9C61.24 – Glaucoma due to eye inflammation
  • 9C61.25 – Glaucomato-cyclitic crisis
  • 9C61.26 – Secondary open-angle glaucoma due to parasitic eye disease
  • 9C61.27 – Glaucoma due to intraocular tumours
  • 9C61.28 – Glaucoma associated with retinal detachment
  • 9C61.29 – Glaucoma due to eye trauma
  • 9C61.2A – Glaucoma due to drugs
  • 9C61.2B – Glaucoma caused by increased episcleral venous pressure
  • 9C61.2C – Secondary glaucoma due to extra-ocular mass
  • 9C61.2Y – Other specified secondary open-angle glaucoma
  • 9C61.2Z – Secondary open-angle glaucoma, unspecified

Foundation entity

Pigmentary open-angle glaucoma – http://id.who.int/icd/entity/1540522790

Allowed postcoordination axes

Part of: 9C61.2: Secondary open-angle glaucoma › 9C61: Glaucoma › 09: Diseases of the visual system