Disorders of the eyeball - anterior segment

Definition

This refers to any disorders of the front third of the eye that includes the structures in front of the vitreous humour: the cornea, iris, ciliary body, and lens.

8 subordinate codes

• 9A60-9A6ZDisorders of conjunctiva
• 9A70-9A7ZDisorders of the cornea
• 9A80-9A8ZDisorders of the anterior chamber
• 9A90-9A9ZDisorders of the anterior uvea
• 9B00-9B0ZFunctional disorders of the pupil
• 9B10-9B1ZDisorders of lens
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Diseases of the visual system

• 9A00-9A4ZDisorders of the ocular adnexa or orbit
• 9B50-9C0ZDisorders of the eyeball - posterior segment
• 9C20-9C2ZDisorders of the eyeball affecting both anterior and posterior segments
• 9C40-9C4ZDisorders of the visual pathways or centres
• 9C60-9C61.ZGlaucoma or glaucoma suspect
• 9C80-9C8ZStrabismus or ocular motility disorders
• 9D00-9D0ZDisorders of refraction or accommodation
• 9D20-9D25Postprocedural disorders of eye or ocular adnexa