Chapter 9: Diseases of the Visual System
ICD-11 to ICD-10 crosswalk mappings for codes 9A00-9E1Z
167 ICD-11 codes in this chapter have ICD-10 crosswalk mappings from the WHO.
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.
Browse Other Chapters
9A00-9A0Z: Disorders of eyelid or peri-ocular area
13 codes with ICD-10 mappings
9A01.2ZHordeolum, unspecified1 mapping9A01.3Infectious blepharitis1 mapping9A01.4Infestation of eyelid1 mapping9A02.0ZChalazion, unspecified1 mapping9A02.ZInflammatory disorders of eyelid, unspecified3 mappings9A03.0ZBlepharoptosis, unspecified1 mapping9A03.2ZEctropion of eyelid, unspecified1 mapping9A03.4ZLagophthalmos, unspecified1 mapping9A04.ZAcquired disorders of eyelashes, unspecified1 mapping9A06.4Xanthelasma of eyelid1 mapping9A06.8Blepharochalasis1 mapping9A06.YOther specified disorders of eyelid3 mappings9A0ZDisorders of eyelid or peri-ocular area, unspecified4 mappings
9A00-9A4Z: Disorders of the ocular adnexa or orbit
7 codes with ICD-10 mappings
9A11.ZDisorders of lacrimal drainage system, unspecified1 mapping9A1ZDisorders of lacrimal apparatus, unspecified9 mappings9A20.00Outward displacement of eyeball1 mapping9A20.ZDisplacement of eyeball, unspecified1 mapping9A22.ZOrbital inflammation, unspecified2 mappings9A2ZDisorders of orbit, unspecified5 mappings9A4ZDisorders of the ocular adnexa or orbit, unspecified4 mappings
9A60-9A6Z: Disorders of conjunctiva
14 codes with ICD-10 mappings
9A60.0ZPapillary conjunctivitis, unspecified1 mapping9A60.3ZMucopurulent conjunctivitis, unspecified1 mapping9A60.4Blepharoconjunctivitis1 mapping9A60.YOther specified conjunctivitis1 mapping9A60.ZConjunctivitis, unspecified6 mappings9A61.1Pterygium1 mapping9A61.3Conjunctival scars1 mapping9A61.4ZConjunctival vascular disorders, unspecified1 mapping9A61.5Conjunctival or subconjunctival haemorrhage1 mapping9A61.6Conjunctival or subconjunctival degenerations or deposits1 mapping9A61.ZCertain specified disorders of conjunctiva, unspecified3 mappings9A62Mucous membrane pemphigoid with ocular involvement1 mapping9A6YOther specified disorders of conjunctiva4 mappings9A6ZDisorders of conjunctiva, unspecified1 mapping
9A60-9B3Z: Disorders of the eyeball - anterior segment
40 codes with ICD-10 mappings
9A70.ZHereditary corneal dystrophies, unspecified1 mapping9A71Infectious keratitis1 mapping9A76Corneal ulcer1 mapping9A77.1Adherent leukoma1 mapping9A77.ZCorneal scars or opacities, unspecified4 mappings9A78.0Corneal neovascularization1 mapping9A78.1Corneal pigmentations or deposits1 mapping9A78.20Bullous keratopathy1 mapping9A78.2ZCorneal oedema, unspecified1 mapping9A78.3Changes in corneal membranes1 mapping9A78.4Corneal degeneration1 mapping9A78.50Keratoconus1 mapping9A78.5ZCorneal deformities, unspecified1 mapping9A78.8Recurrent erosion of cornea2 mappings9A7YOther specified disorders of the cornea3 mappings9A7ZDisorders of the cornea, unspecified7 mappings9A80Hyphaema1 mapping9A81Parasites in the anterior chamber of the eye1 mapping9A83Flat anterior chamber hypotony of eye1 mapping9A8ZDisorders of the anterior chamber, unspecified2 mappings9A90.ZDegeneration of iris or ciliary body, unspecified1 mapping9A91Cyst of iris or ciliary body1 mapping9A92Persistent pupillary membranes1 mapping9A93Adhesions or disruptions of iris or ciliary body1 mapping9A94.YOther disorders of iris and ciliary body4 mappings9A96.YOther specified anterior uveitis2 mappings9A96.ZAnterior uveitis, unspecified5 mappings9B10.0YOther specified age-related cataract2 mappings9B10.0ZAge-related cataract, unspecified4 mappings9B10.1ZInfantile or juvenile cataract, unspecified1 mapping9B10.20Traumatic cataract1 mapping9B10.21Diabetic cataract1 mapping9B10.22After-cataract1 mapping9B10.2YOther specified cataracts7 mappings9B10.ZCataract, unspecified1 mapping9B11.0Aphakia1 mapping9B11.1Dislocation of lens1 mapping9B11.YOther disorders of lens4 mappings9B1ZDisorders of lens, unspecified1 mapping9B3ZDisorders of the eyeball - anterior segment, unspecified2 mappings
9B50-9B5Z: Disorders of sclera
4 codes with ICD-10 mappings
9B50-9C0Z: Disorders of the eyeball - posterior segment
31 codes with ICD-10 mappings
9B60Choroidal degeneration1 mapping9B61Choroidal dystrophy1 mapping9B62Chorioretinal scars1 mapping9B63Choroidal haemorrhage or rupture1 mapping9B64Choroidal detachment1 mapping9B65.ZPosterior uveitis, unspecified6 mappings9B6ZDisorders of the choroid, unspecified3 mappings9B70Inherited retinal dystrophies1 mapping9B71.0ZDiabetic retinopathy, unspecified1 mapping9B71.3Retinopathy of prematurity1 mapping9B73.0Retinal detachment with retinal break1 mapping9B73.2Retinal cysts1 mapping9B73.3Serous retinal detachment1 mapping9B73.4Retinal breaks without detachment1 mapping9B73.YOther specified retinal detachments or breaks1 mapping9B73.ZRetinal detachments or breaks, unspecified2 mappings9B74.0Retinal artery occlusions3 mappings9B74.ZRetinal vascular occlusions, unspecified3 mappings9B76Degenerative high myopia1 mapping9B78.1ZBackground retinopathy and retinal vascular changes, unspecified1 mapping9B78.2Other proliferative retinopathy1 mapping9B78.3ZDegeneration of macula or posterior pole, unspecified1 mapping9B78.4Peripheral retinal degeneration6 mappings9B78.5Retinal haemorrhage1 mapping9B78.6ZSeparation of retinal layers, unspecified1 mapping9B82Vitreous prolapse1 mapping9B83Vitreous haemorrhage2 mappings9B84Vitreous opacities, membranes or strands1 mapping9B8YOther specified disorders of the vitreous body1 mapping9B8ZDisorders of the vitreous body, unspecified6 mappings9C0ZDisorders of the eyeball - posterior segment, unspecified4 mappings
9C20-9C2Z: Disorders of the eyeball affecting both anterior and posterior segments
3 codes with ICD-10 mappings
9C40-9C4Z: Disorders of the visual pathways or centres
10 codes with ICD-10 mappings
9C40.10Retrobulbar neuritis1 mapping9C40.1YOther specified optic neuritis1 mapping9C40.A0Papilloedema1 mapping9C40.AZOptic disc swelling, unspecified1 mapping9C40.BZOptic atrophy, unspecified2 mappings9C40.ZDisorder of the optic nerve, unspecified1 mapping9C41Disorder of optic chiasm1 mapping9C42Disorder of post chiasmal visual pathways1 mapping9C43Disorder of visual cortex1 mapping9C4ZDisorders of the visual pathways or centres, unspecified5 mappings
9C60-9C6Z: Glaucoma or glaucoma suspect
9 codes with ICD-10 mappings
9C60Glaucoma suspect1 mapping9C61.0ZPrimary open-angle glaucoma, unspecified1 mapping9C61.1ZPrimary angle closure or angle closure glaucoma, unspecified1 mapping9C61.24Glaucoma due to eye inflammation1 mapping9C61.29Glaucoma due to eye trauma1 mapping9C61.2ZSecondary open-angle glaucoma, unspecified2 mappings9C61.4ZDevelopmental glaucoma, unspecified1 mapping9C61.ZGlaucoma, unspecified6 mappings9C6ZGlaucoma or glaucoma suspect, unspecified1 mapping
9C80-9C8Z: Strabismus or ocular motility disorders
16 codes with ICD-10 mappings
9C80.0Esotropia1 mapping9C80.1Exotropia1 mapping9C80.2Vertical or torsional strabismus1 mapping9C80.3ZIntermittent strabismus, unspecified1 mapping9C80.4Heterophoria1 mapping9C80.5Mechanical strabismus1 mapping9C81.0ZThird nerve palsy, unspecified1 mapping9C81.1Fourth nerve palsy1 mapping9C81.2Sixth nerve palsy1 mapping9C81.3Total external ophthalmoplegia1 mapping9C81.ZPalsy of unspecified ocular motor nerve3 mappings9C82.0Progressive external ophthalmoplegia1 mapping9C83.0ZPalsy of conjugate gaze, unspecified1 mapping9C83.5Internuclear ophthalmoplegia1 mapping9C83.ZDisorders of binocular movement, unspecified4 mappings9C8YOther specified strabismus or ocular motility disorders4 mappings
9D00-9D0Z: Disorders of refraction or accommodation
7 codes with ICD-10 mappings
9D20-9D25: Postprocedural disorders of eye or ocular adnexa
2 codes with ICD-10 mappings
9D41-9D7Z: Impairment of visual functions
6 codes with ICD-10 mappings
9D42.ZPatterns of visual field impairment, unspecified1 mapping9D44Impairment of colour vision1 mapping9D45Impairment of light sensitivity1 mapping9D46Impairment of binocular functions3 mappings9D5ZSubjective visual experiences, unspecified1 mapping9D7ZImpairment of visual functions, unspecified3 mappings
9D90-9D9Z: Vision impairment
3 codes with ICD-10 mappings