Chapter VII
Diseases of the eye and adnexa
(H00-H59)

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

H15 Disorders of sclera

H15.0 Scleritis
H15.1 Episcleritis
H15.8 Other disorders of sclera
Incl.:
Equatorial staphyloma
Scleral ectasia
Excl.:
degenerative myopia ( H44.2)
H15.9 Disorder of sclera, unspecified

H16 Keratitis

H16.0 Corneal ulcer
Incl.:
Ulcer:
  • corneal:
    • —  NOS
    • —  central
    • —  marginal
    • —  perforated
    • —  ring
    • —  with hypopyon
  • Mooren
H16.1 Other superficial keratitis without conjunctivitis
Incl.:
Keratitis:
  • areolar
  • filamentary
  • nummular
  • stellate
  • striate
  • superficial punctate
Photokeratitis
Snow blindness
H16.2 Keratoconjunctivitis
Incl.:
Keratoconjunctivitis:
  • NOS
  • exposure
  • neurotrophic
  • phlyctenular
Ophthalmia nodosa
Superficial keratitis with conjunctivitis
H16.3 Interstitial and deep keratitis
H16.4 Corneal neovascularization
Incl.:
Ghost vessels (corneal)
Pannus (corneal)
H16.8 Other keratitis
H16.9 Keratitis, unspecified

H17 Corneal scars and opacities

H17.0 Adherent leukoma
H17.1 Other central corneal opacity
H17.8 Other corneal scars and opacities
H17.9 Corneal scar and opacity, unspecified

H18 Other disorders of cornea

H18.0 Corneal pigmentations and deposits
Incl.:
Haematocornea
Kayser-Fleischer ring
Krukenberg spindle
Staehli line
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
H18.1 Bullous keratopathy
H18.2 Other corneal oedema
H18.3 Changes in corneal membranes
Incl.:
  • Fold
  • Rupture
  • in Descemet membrane
H18.4 Corneal degeneration
Incl.:
Arcus senilis
Band keratopathy
Excl.:
Mooren ulcer ( H16.0)
H18.5 Hereditary corneal dystrophies
Incl.:
Dystrophy:
  • corneal:
    • —  epithelial
    • —  granular
    • —  lattice
    • —  macular
  • Fuchs
H18.6 Keratoconus
H18.7 Other corneal deformities
Incl.:
Corneal:
  • ectasia
  • staphyloma
Descemetocele
Excl.:
congenital malformations of cornea ( Q13.3-Q13.4)
H18.8 Other specified disorders of cornea
Incl.:
  • Anaesthesia
  • Hypaesthesia
  • Recurrent erosion
  • of cornea
H18.9 Disorder of cornea, unspecified

H19* Disorders of sclera and cornea in diseases classified elsewhere

H19.0* Scleritis and episcleritis in diseases classified elsewhere
Incl.:
Syphilitic episcleritis ( A52.7†)
Tuberculous episcleritis ( A18.5†)
Zoster scleritis ( B02.3†)
H19.1* Herpesviral keratitis and keratoconjunctivitis (B00.5†)
Incl.:
Dendritic and disciform keratitis
H19.2* Keratitis and keratoconjunctivitis in other infectious and parasitic diseases classified elsewhere
Incl.:
Epidemic keratoconjunctivitis ( B30.0†)
Keratitis and keratoconjunctivitis (interstitial) in:
H19.3* Keratitis and keratoconjunctivitis in other diseases classified elsewhere
Incl.:
Keratoconjunctivitis sicca ( M35.0†)
H19.8* Other disorders of sclera and cornea in diseases classified elsewhere
Incl.:
Keratoconus in Down syndrome ( Q90.-†)

H20 Iridocyclitis

H20.0 Acute and subacute iridocyclitis
Incl.:
  • Anterior uveitis
  • Cyclitis
  • Iritis
  • acute, recurrent or subacute of cornea
H20.1 Chronic iridocyclitis
H20.2 Lens-induced iridocyclitis
H20.8 Other iridocyclitis
H20.9 Iridocyclitis, unspecified

H21 Other disorders of iris and ciliary body

Excl.:
sympathetic uveitis ( H44.1)
H21.0 Hyphaema
Excl.:
traumatic hyphaema ( S05.1)
H21.1 Other vascular disorders of iris and ciliary body
Incl.:
Neovascularization of iris or ciliary body
Rubeosis of iris
H21.2 Degeneration of iris and ciliary body
Incl.:
Degeneration of:
  • iris (pigmentary)
  • pupillary margin
Iridoschisis
Iris atrophy (essential)(progressive)
Miotic pupillary cyst
Translucency of iris
H21.3 Cyst of iris, ciliary body and anterior chamber
Incl.:
Cyst of iris, ciliary body or anterior chamber:
  • NOS
  • exudative
  • implantation
  • parasitic
Excl.:
miotic pupillary cyst ( H21.2)
H21.4 Pupillary membranes
Incl.:
Iris bombé
Pupillary:
  • occlusion
  • seclusion
H21.5 Other adhesions and disruptions of iris and ciliary body
Incl.:
Goniosynechiae
Iridodialysis
Recession, chamber angle
Synechiae (iris):
  • NOS
  • anterior
  • posterior
Excl.:
corectopia ( Q13.2)
H21.8 Other specified disorders of iris and ciliary body
H21.9 Disorder of iris and ciliary body, unspecified

H22* Disorders of iris and ciliary body in diseases classified elsewhere

H22.0* Iridocyclitis in infectious and parasitic diseases classified elsewhere
Incl.:
Iridocyclitis in:
H22.1* Iridocyclitis in other diseases classified elsewhere
Incl.:
Iridocyclitis in:
H22.8* Other disorders of iris and ciliary body in diseases classified elsewhere