ICD-11 classes
09 Diseases of the visual system
Disorders of the ocular adnexa or orbit
Disorders of eyelid or peri-ocular area
9A01 — Infectious disorders of eyelid
9A01.2 — Hordeolum
ICD-11 9A01.2 — Hordeolum
An acute focal infection usually by Staphylococcus aureus involving the eyelash follicle and its associated meibomian and Zeis glands. If the principal focus of infection is the follicle, it presents with a painful boil which discharges pus at the eyelid margin (external hordeolum or stye). If the infection is centred on the meibomian gland (internal hordeolum) then suppuration onto the conjunctival surface occurs.
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code 9A01.2 contains 3 clarifying diagnoses:
- 9A01.20 — Hordeolum externum
- 9A01.21 — Hordeolum internum
- 9A01.2Z — Hordeolum, unspecified
The diagnosis is coded elsewhere:
- Infectious disorders of eyelid #16768
- Hordeolum #16771