ICD-11 classes
14 Diseases of the skin
Skin disorders involving certain specific body regions
Skin disorders involving the head and neck
Dermatoses of the eye, eyelids or eyebrows
9A01 — Infectious disorders of eyelid
1C23 — Trachoma

ICD-11 1C23 — Trachoma

A disease caused by an infection with the gram-negative bacteria Chlamydia trachomatis. This disease is characterised by a roughening of the inner surfaces of the eyes, and inflammation that may lead to superficial vascularization of the cornea (pannus) and scarring of the conjunctiva. Long term effects include blindness or other visual impairments. Transmission is by direct or indirect contact with the eyes or nose of an infected individual.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 1C23 contains 4 clarifying diagnoses:

  1. 1C23.0 — Initial stage of trachoma
  2. 1C23.1 — Active stage of trachoma
  3. 1C23.Y — Other specified trachoma
  4. 1C23.Z — Trachoma, unspecified

The diagnosis is coded elsewhere:

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