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Diseases of the eye and adnexa (H00-H59)

Note:: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Excludes 2:: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
endocrine, nutritional and metabolic diseases (E00-E88)
injury (trauma) of eye and orbit (S05.-)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Disorders of sclera, cornea, iris and ciliary body (H15-H22)

H15

Disorders of sclera [+]

H15.0

Scleritis [+]

H15.00

Unspecified scleritis [+]

H15.01

Anterior scleritis [+]

H15.02

Brawny scleritis [+]

H15.03

Posterior scleritis [+]
Sclerotenonitis

H15.04

Scleritis with corneal involvement [+]

H15.05

Scleromalacia perforans [+]

H15.09

Other scleritis [+]
Scleral abscess

H15.1

Episcleritis [+]

H15.10

Unspecified episcleritis [+]

H15.11

Episcleritis periodica fugax [+]

H15.12

Nodular episcleritis [+]

H15.8

Other disorders of sclera [+]

Excludes 2:

blue sclera (Q13.5)
degenerative myopia (H44.2-)

H15.81

Equatorial staphyloma [+]

H15.82

Localized anterior staphyloma [+]

H15.83

Staphyloma posticum [+]

H15.84

Scleral ectasia [+]

H15.85

Ring staphyloma [+]

H15.89

Other disorders of sclera

H15.9

Unspecified disorder of sclera

H16

Keratitis [+]

H16.0

Corneal ulcer [+]

H16.00

Unspecified corneal ulcer [+]

H16.01

Central corneal ulcer [+]

H16.02

Ring corneal ulcer [+]

H16.03

Corneal ulcer with hypopyon [+]

H16.04

Marginal corneal ulcer [+]

H16.05

Mooren's corneal ulcer [+]

H16.06

Mycotic corneal ulcer [+]

H16.07

Perforated corneal ulcer [+]

H16.1

Other and unspecified superficial keratitis without conjunctivitis [+]

H16.10

Unspecified superficial keratitis [+]

H16.11

Macular keratitis [+]
Areolar keratitis
Nummular keratitis
Stellate keratitis
Striate keratitis

H16.12

Filamentary keratitis [+]

H16.13

Photokeratitis [+]
Snow blindness
Welders keratitis

H16.14

Punctate keratitis [+]

H16.2

Keratoconjunctivitis [+]

H16.20

Unspecified keratoconjunctivitis [+]
Superficial keratitis with conjunctivitis NOS

H16.21

Exposure keratoconjunctivitis [+]

H16.22

Keratoconjunctivitis sicca, not specified as Sjögren's [+]

Excludes 1:

Sjögren's syndrome (M35.01)

H16.23

Neurotrophic keratoconjunctivitis [+]

H16.24

Ophthalmia nodosa [+]

H16.25

Phlyctenular keratoconjunctivitis [+]

H16.26

Vernal keratoconjunctivitis, with limbar and corneal involvement [+]

Excludes 1:

vernal conjunctivitis without limbar and corneal involvement (H10.44)

H16.29

Other keratoconjunctivitis [+]

H16.3

Interstitial and deep keratitis [+]

H16.30

Unspecified interstitial keratitis [+]

H16.31

Corneal abscess [+]

H16.32

Diffuse interstitial keratitis [+]
Cogan's syndrome

H16.33

Sclerosing keratitis [+]

H16.39

Other interstitial and deep keratitis [+]

H16.4

Corneal neovascularization [+]

H16.40

Unspecified corneal neovascularization [+]

H16.41

Ghost vessels (corneal) [+]

H16.42

Pannus (corneal) [+]

H16.43

Localized vascularization of cornea [+]

H16.44

Deep vascularization of cornea [+]

H16.8

Other keratitis

H16.9

Unspecified keratitis

H17

Corneal scars and opacities [+]

H17.0

Adherent leukoma [+]

H17.1

Central corneal opacity [+]

H17.8

Other corneal scars and opacities [+]

H17.81

Minor opacity of cornea [+]
Corneal nebula

H17.82

Peripheral opacity of cornea [+]

H17.89

Other corneal scars and opacities

H17.9

Unspecified corneal scar and opacity

H18

Other disorders of cornea [+]

H18.0

Corneal pigmentations and deposits [+]

H18.00

Unspecified corneal deposit [+]

H18.01

Anterior corneal pigmentations [+]
Staehli's line

H18.02

Argentous corneal deposits [+]

H18.03

Corneal deposits in metabolic disorders [+]

Code also

associated metabolic disorder

H18.04

Kayser-Fleischer ring [+]

Code also

associated Wilson's disease (E83.01)

H18.05

Posterior corneal pigmentations [+]
Krukenberg's spindle

H18.06

Stromal corneal pigmentations [+]
Hematocornea

H18.1

Bullous keratopathy [+]

H18.2

Other and unspecified corneal edema [+]

H18.20

Unspecified corneal edema

H18.21

Corneal edema secondary to contact lens [+]

Excludes 2:

other corneal disorders due to contact lens (H18.82-)

H18.22

Idiopathic corneal edema [+]

H18.23

Secondary corneal edema [+]

H18.3

Changes of corneal membranes [+]

H18.30

Unspecified corneal membrane change

H18.31

Folds and rupture in Bowman's membrane [+]

H18.32

Folds in Descemet's membrane [+]

H18.33

Rupture in Descemet's membrane [+]

H18.4

Corneal degeneration [+]

Excludes 1:

Mooren's ulcer (H16.0-)
recurrent erosion of cornea (H18.83-)

H18.40

Unspecified corneal degeneration

H18.41

Arcus senilis [+]
Senile corneal changes

H18.42

Band keratopathy [+]

H18.43

Other calcerous corneal degeneration

H18.44

Keratomalacia [+]

Excludes 1:

keratomalacia due to vitamin A deficiency (E50.4)

H18.45

Nodular corneal degeneration [+]

H18.46

Peripheral corneal degeneration [+]

H18.49

Other corneal degeneration

H18.5

Hereditary corneal dystrophies [+]

H18.50

Unspecified hereditary corneal dystrophies [+]

H18.51

Endothelial corneal dystrophy [+]
Fuchs' dystrophy

H18.52

Epithelial (juvenile) corneal dystrophy [+]

H18.53

Granular corneal dystrophy [+]

H18.54

Lattice corneal dystrophy [+]

H18.55

Macular corneal dystrophy [+]

H18.59

Other hereditary corneal dystrophies [+]

H18.6

Keratoconus [+]

H18.60

Keratoconus, unspecified [+]

H18.61

Keratoconus, stable [+]

H18.62

Keratoconus, unstable [+]
Acute hydrops

H18.7

Other and unspecified corneal deformities [+]

Excludes 1:

congenital malformations of cornea (Q13.3-Q13.4)

H18.70

Unspecified corneal deformity

H18.71

Corneal ectasia [+]

H18.72

Corneal staphyloma [+]

H18.73

Descemetocele [+]

H18.79

Other corneal deformities [+]

H18.8

Other specified disorders of cornea [+]

H18.81

Anesthesia and hypoesthesia of cornea [+]

H18.82

Corneal disorder due to contact lens [+]

Excludes 2:

corneal edema due to contact lens (H18.21-)

H18.83

Recurrent erosion of cornea [+]

H18.89

Other specified disorders of cornea [+]

H18.9

Unspecified disorder of cornea

H20

Iridocyclitis [+]

H20.0

Acute and subacute iridocyclitis [+]
Acute anterior uveitis
Acute cyclitis
Acute iritis
Subacute anterior uveitis
Subacute cyclitis
Subacute iritis

Excludes 1:

iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39)
iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89)
iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32)
iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51)
iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.32)
iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (A50.39)
iridocyclitis, iritis, uveitis (due to) (in) late syphilis (A52.71)
iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (D86.83)
iridocyclitis, iritis, uveitis (due to) (in) syphilis (A51.43)
iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (B58.09)
iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (A18.54)

H20.00

Unspecified acute and subacute iridocyclitis

H20.01

Primary iridocyclitis [+]

H20.02

Recurrent acute iridocyclitis [+]

H20.03

Secondary infectious iridocyclitis [+]

H20.04

Secondary noninfectious iridocyclitis [+]

H20.05

Hypopyon [+]

H20.1

Chronic iridocyclitis [+]

Use additional	code for any associated cataract (H26.21-)
Excludes 2:	posterior cyclitis (H30.2-)

H20.2

Lens-induced iridocyclitis [+]

H20.8

Other iridocyclitis [+]

Excludes 2:

glaucomatocyclitis crises (H40.4-)
posterior cyclitis (H30.2-)
sympathetic uveitis (H44.13-)

H20.9

Unspecified iridocyclitis
Uveitis NOS

H21

Other disorders of iris and ciliary body [+]

Excludes 2:

sympathetic uveitis (H44.1-)

H21.0

Hyphema [+]

Excludes 1:

traumatic hyphema (S05.1-)

H21.1

Other vascular disorders of iris and ciliary body [+]
Neovascularization of iris or ciliary body
Rubeosis iridis
Rubeosis of iris

H21.2

Degeneration of iris and ciliary body [+]

H21.21

Degeneration of chamber angle [+]

H21.22

Degeneration of ciliary body [+]

H21.23

Degeneration of iris (pigmentary) [+]
Translucency of iris

H21.24

Degeneration of pupillary margin [+]

H21.25

Iridoschisis [+]

H21.26

Iris atrophy (essential) (progressive) [+]

H21.27

Miotic pupillary cyst [+]

H21.29

Other iris atrophy

H21.3

Cyst of iris, ciliary body and anterior chamber [+]

Excludes 2:

miotic pupillary cyst (H21.27-)

H21.30

Idiopathic cysts of iris, ciliary body or anterior chamber [+]
Cyst of iris, ciliary body or anterior chamber NOS

H21.31

Exudative cysts of iris or anterior chamber [+]

H21.32

Implantation cysts of iris, ciliary body or anterior chamber [+]

H21.33

Parasitic cyst of iris, ciliary body or anterior chamber [+]

H21.34

Primary cyst of pars plana [+]

H21.35

Exudative cyst of pars plana [+]

H21.4

Pupillary membranes [+]
Iris bombé
Pupillary occlusion
Pupillary seclusion

Excludes 1:

congenital pupillary membranes (Q13.8)

H21.5

Other and unspecified adhesions and disruptions of iris and ciliary body [+]

Excludes 1:

corectopia (Q13.2)

H21.50

Unspecified adhesions of iris [+]
Synechia (iris) NOS

H21.51

Anterior synechiae (iris) [+]

H21.52

Goniosynechiae [+]

H21.53

Iridodialysis [+]

H21.54

Posterior synechiae (iris) [+]

H21.55

Recession of chamber angle [+]

H21.56

Pupillary abnormalities [+]
Deformed pupil
Ectopic pupil
Rupture of sphincter, pupil

Excludes 1:

congenital deformity of pupil (Q13.2-)

H21.8

Other specified disorders of iris and ciliary body [+]

H21.9

Unspecified disorder of iris and ciliary body

H22

Disorders of iris and ciliary body in diseases classified elsewhere

Code first

underlying disease, such as:
gout (M1A.-, M10.-)
leprosy (A30.-)
parasitic disease (B89)