ICD-11 classes
09 Diseases of the visual system
Disorders of the ocular adnexa or orbit
Disorders of eyelid or peri-ocular area
9A02 — Inflammatory disorders of eyelid
9A02.0 — Chalazion

ICD-11 9A02.0 — Chalazion

A chalazion is a small cyst on the eyelid caused by blockage of a meibomian gland.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 9A02.0 contains 4 clarifying diagnoses:

  1. 9A02.00 — Chalazion externum
  2. 9A02.01 — Chalazion internum
  3. 9A02.0Y — Other specified chalazion
  4. 9A02.0Z — Chalazion, unspecified

The diagnosis is coded elsewhere:

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