Disorders of the cornea

Definition

This refers to disorders of the transparent front part of the eye that covers the iris, pupil, and anterior chamber. The cornea, with the anterior chamber and lens, refracts light, with the cornea accounting for approximately two-thirds of the eye's total optical power.

15 subordinate codes

• 9A70Hereditary corneal dystrophies
• 9A71Infectious keratitis
• 9A72Traumatic keratitis
• 9A73Exposure keratitis
• 9A74Neurotrophic keratitis
• 9A75Autoimmune keratitis
• 9A76Corneal ulcer
• 9A77Corneal scars or opacities
• 9A78Certain specified disorders of cornea
• 9A79Keratoconjunctivitis sicca
• 9A7ACorneal abscess
• 9A7BSclerosing keratitis
• Neoplasms of the cornea
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Disorders of the eyeball - anterior segment

• 9A60-9A6ZDisorders of conjunctiva
• 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