Chapter 9: Diseases of the Visual System
ICD-11 codes 9A00-9E1Z
Covers eye conditions including cataracts, glaucoma, macular degeneration, diabetic retinopathy, conjunctivitis, and refractive disorders. ICD-11 renames this from 'Eye and Adnexa' and provides more detailed ophthalmic classifications.
9A00-9A0Z
Disorders of eyelid or peri-ocular area
9A00Congenital malposition of eyelids
9A01Infectious disorders of eyelid
9A02Inflammatory disorders of eyelid
9A03Acquired malposition of eyelid
9A04Acquired disorders of eyelashes
9A05Movement disorders of eyelid
9A06Certain specified disorders of eyelid
9A0YOther specified disorders of eyelid or peri-ocular area
9A0ZDisorders of eyelid or peri-ocular area, unspecified
9A00-9A4Z
Disorders of the ocular adnexa or orbit
9A10-9A1Z
Disorders of lacrimal apparatus
9A20-9A2Z
Disorders of orbit
9A60-9A6Z
Disorders of conjunctiva
9A60-9B3Z
Disorders of the eyeball - anterior segment
9A70-9A7Z
Disorders of the cornea
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
9A7YOther specified disorders of the cornea
9A7ZDisorders of the cornea, unspecified
9A80-9A8Z
Disorders of the anterior chamber
9A90-9A9Z
Disorders of the anterior uvea
9A90Degeneration of iris or ciliary body
9A91Cyst of iris or ciliary body
9A92Persistent pupillary membranes
9A93Adhesions or disruptions of iris or ciliary body
9A94Certain specified disorders of iris or ciliary body
9A96Anterior uveitis
9A9YOther specified disorders of the anterior uvea
9A9ZDisorders of the anterior uvea, unspecified
9B00-9B0Z
Functional disorders of the pupil
9B10-9B1Z
Disorders of lens
9B50-9B5Z
Disorders of sclera
9B50-9C0Z
Disorders of the eyeball - posterior segment
9B60-9B6Z
Disorders of the choroid
9B70-9B7Z
Disorders of the retina
9B70Inherited retinal dystrophies
9B71Retinopathy
9B72Inflammatory diseases of the retina
9B73Retinal detachments or breaks
9B74Retinal vascular occlusions
9B75Macular disorders
9B76Degenerative high myopia
9B77Eales disease
9B78Certain specified retinal disorders
9B7YOther specified disorders of the retina
9B7ZDisorders of the retina, unspecified
9B80-9B8Z
Disorders of the vitreous body
9C20-9C2Z
Disorders of the eyeball affecting both anterior and posterior segments
9C40-9C4Z
Disorders of the visual pathways or centres
9C60-9C6Z
Glaucoma or glaucoma suspect
9C80-9C8Z
Strabismus or ocular motility disorders
9C80Non paralytic strabismus
9C81Ocular motor nerve palsies
9C82Disorders of extraocular muscles
9C83Disorders of binocular movement
9C84Nystagmus
9C85Certain specified irregular eye movements
9C8YOther specified strabismus or ocular motility disorders
9C8ZStrabismus or ocular motility disorders, unspecified
9D00-9D0Z
Disorders of refraction or accommodation
9D20-9D25
Postprocedural disorders of eye or ocular adnexa
9D20Bullous aphakic keratopathy following cataract surgery
9D21Cataract lens fragments in eye following cataract surgery
9D22Chorioretinal scars after surgery for detachment
9D23Conjunctival blebitis after glaucoma surgery
9D24Complications with glaucoma drainage devices
9D25Glaucoma due to ocular surgery or laser
9D41-9D7Z
Impairment of visual functions
9D41Impairment of visual field
9D42Patterns of visual field impairment
9D43Impairment of contrast vision
9D44Impairment of colour vision
9D45Impairment of light sensitivity
9D46Impairment of binocular functions
9D7YOther specified impairment of visual functions
9D7ZImpairment of visual functions, unspecified
9D50-9D5Z
Subjective visual experiences
9D90-9D9Z
Vision impairment
9D90Vision impairment including blindness
9D92Specific vision dysfunctions
9D93Complex vision-related dysfunctions
9D94Impairment of presenting visual acuity
9D95Impairment of best corrected visual acuity
9D96Impairment of uncorrected visual acuity
9D9YOther specified vision impairment
9D9ZVision impairment, unspecified
Frequently Asked Questions
What ICD-11 codes are in Chapter 9?
Chapter 9: Diseases of the Visual System covers ICD-11 codes 9A00-9E1Z. It contains 25 code blocks with 160 top-level categories.
What conditions does ICD-11 Chapter 9 cover?
Covers eye conditions including cataracts, glaucoma, macular degeneration, diabetic retinopathy, conjunctivitis, and refractive disorders. ICD-11 renames this from 'Eye and Adnexa' and provides more detailed ophthalmic classifications. This chapter includes codes from 9A00-9E1Z.
How is ICD-11 Chapter 9 different from ICD-10?
ICD-11 reorganized many chapters compared to ICD-10. Chapter 9 (Diseases of the Visual System) may include conditions that were in different ICD-10 chapters, and some conditions previously here may have moved. ICD-11 also adds new chapters for sleep-wake disorders, sexual health, and traditional medicine that did not exist in ICD-10.
How many code blocks are in ICD-11 Chapter 9?
Chapter 9 has 25 code blocks: 9A00-9A0Z (Disorders of eyelid or peri-ocular area), 9A00-9A4Z (Disorders of the ocular adnexa or orbit), 9A10-9A1Z (Disorders of lacrimal apparatus), 9A20-9A2Z (Disorders of orbit), and 21 more.
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