Disorders of the eyeball - posterior segment

Definition

This refers to disorders of the back two-thirds of the eye that includes the anterior hyaloid membrane and all of the optical structures behind it: the vitreous humour, retina, choroid, and optic nerve.

6 subordinate codes

• 9B50-9B5ZDisorders of sclera
• 9B60-9B6ZDisorders of the choroid
• 9B70-9B7ZDisorders of the retina
• 9B80-9B8ZDisorders of the vitreous body
• 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
• 9A60-9B3ZDisorders of the eyeball - anterior 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