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H00.19 – Chalazion unspecified eye, unspecified eyelid
1482004 – Chalazion
SynopsisA chalazion is a painless nodule on the eyelid caused by lipogranulomatous inflammation of a meibomian gland or a Zeis sebaceous gland. Chalazia are usually sterile and are often recurrent. Chalazia may be associated with rosacea, chronic blepharitis, and dry eye. They are more common in adults and men. They may be cosmetically disfiguring and can occasionally affect vision.
In contrast to preseptal or orbital cellulitis, chalazia are painless and often less erythematous. Chalazia are discrete nodules whereas preseptal and orbital cellulitis present with diffuse palpebral edema.