H18

Non-Billable

Other disorders of cornea

H18 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • H18.5Hereditary corneal dystrophies
    • H18.50Unspecified hereditary corneal dystrophies
      • H18.501Unspecified hereditary corneal dystrophies, right eye
      • H18.502Unspecified hereditary corneal dystrophies, left eye
      • H18.503Unspecified hereditary corneal dystrophies, bilateral
      • H18.509Unspecified hereditary corneal dystrophies, unspecified eye
    • H18.51Endothelial corneal dystrophy
      • H18.511Endothelial corneal dystrophy, right eye
      • H18.512Endothelial corneal dystrophy, left eye
      • H18.513Endothelial corneal dystrophy, bilateral
      • H18.519Endothelial corneal dystrophy, unspecified eye
    • H18.52Epithelial (juvenile) corneal dystrophy
      • H18.521Epithelial (juvenile) corneal dystrophy, right eye
      • H18.522Epithelial (juvenile) corneal dystrophy, left eye
      • H18.523Epithelial (juvenile) corneal dystrophy, bilateral
      • H18.529Epithelial (juvenile) corneal dystrophy, unspecified eye
    • H18.53Granular corneal dystrophy
      • H18.531Granular corneal dystrophy, right eye
      • H18.532Granular corneal dystrophy, left eye
      • H18.533Granular corneal dystrophy, bilateral
      • H18.539Granular corneal dystrophy, unspecified eye
    • H18.54Lattice corneal dystrophy
      • H18.541Lattice corneal dystrophy, right eye
      • H18.542Lattice corneal dystrophy, left eye
      • H18.543Lattice corneal dystrophy, bilateral
      • H18.549Lattice corneal dystrophy, unspecified eye
    • H18.55Macular corneal dystrophy
      • H18.551Macular corneal dystrophy, right eye
      • H18.552Macular corneal dystrophy, left eye
      • H18.553Macular corneal dystrophy, bilateral
      • H18.559Macular corneal dystrophy, unspecified eye
    • H18.59Other hereditary corneal dystrophies
      • H18.591Other hereditary corneal dystrophies, right eye
      • H18.592Other hereditary corneal dystrophies, left eye
      • H18.593Other hereditary corneal dystrophies, bilateral
      • H18.599Other hereditary corneal dystrophies, unspecified eye
  • H18.0Corneal pigmentations and deposits
    • H18.00Unspecified corneal deposit
      • H18.001Unspecified corneal deposit, right eye
      • H18.002Unspecified corneal deposit, left eye
      • H18.003Unspecified corneal deposit, bilateral
      • H18.009Unspecified corneal deposit, unspecified eye
    • H18.01Anterior corneal pigmentations
      • H18.011Anterior corneal pigmentations, right eye
      • H18.012Anterior corneal pigmentations, left eye
      • H18.013Anterior corneal pigmentations, bilateral
      • H18.019Anterior corneal pigmentations, unspecified eye
    • H18.02Argentous corneal deposits
      • H18.021Argentous corneal deposits, right eye
      • H18.022Argentous corneal deposits, left eye
      • H18.023Argentous corneal deposits, bilateral
      • H18.029Argentous corneal deposits, unspecified eye
    • H18.03Corneal deposits in metabolic disorders
      • H18.031Corneal deposits in metabolic disorders, right eye
      • H18.032Corneal deposits in metabolic disorders, left eye
      • H18.033Corneal deposits in metabolic disorders, bilateral
      • H18.039Corneal deposits in metabolic disorders, unspecified eye
    • H18.04Kayser-Fleischer ring
      • H18.041Kayser-Fleischer ring, right eye
      • H18.042Kayser-Fleischer ring, left eye
      • H18.043Kayser-Fleischer ring, bilateral
      • H18.049Kayser-Fleischer ring, unspecified eye
    • H18.05Posterior corneal pigmentations
      • H18.051Posterior corneal pigmentations, right eye
      • H18.052Posterior corneal pigmentations, left eye
      • H18.053Posterior corneal pigmentations, bilateral
      • H18.059Posterior corneal pigmentations, unspecified eye
    • H18.06Stromal corneal pigmentations
      • H18.061Stromal corneal pigmentations, right eye
      • H18.062Stromal corneal pigmentations, left eye
      • H18.063Stromal corneal pigmentations, bilateral
      • H18.069Stromal corneal pigmentations, unspecified eye
  • H18.1Bullous keratopathy
    • H18.10Bullous keratopathy, unspecified eye
    • H18.11Bullous keratopathy, right eye
    • H18.12Bullous keratopathy, left eye
    • H18.13Bullous keratopathy, bilateral
  • H18.2Other and unspecified corneal edema
    • H18.20Unspecified corneal edema
    • H18.21Corneal edema secondary to contact lens
      • H18.211Corneal edema secondary to contact lens, right eye
      • H18.212Corneal edema secondary to contact lens, left eye
      • H18.213Corneal edema secondary to contact lens, bilateral
      • H18.219Corneal edema secondary to contact lens, unspecified eye
    • H18.22Idiopathic corneal edema
      • H18.221Idiopathic corneal edema, right eye
      • H18.222Idiopathic corneal edema, left eye
      • H18.223Idiopathic corneal edema, bilateral
      • H18.229Idiopathic corneal edema, unspecified eye
    • H18.23Secondary corneal edema
      • H18.231Secondary corneal edema, right eye
      • H18.232Secondary corneal edema, left eye
      • H18.233Secondary corneal edema, bilateral
      • H18.239Secondary corneal edema, unspecified eye
  • H18.3Changes of corneal membranes
    • H18.30Unspecified corneal membrane change
    • H18.31Folds and rupture in Bowman's membrane
      • H18.311Folds and rupture in Bowman's membrane, right eye
      • H18.312Folds and rupture in Bowman's membrane, left eye
      • H18.313Folds and rupture in Bowman's membrane, bilateral
      • H18.319Folds and rupture in Bowman's membrane, unspecified eye
    • H18.32Folds in Descemet's membrane
      • H18.321Folds in Descemet's membrane, right eye
      • H18.322Folds in Descemet's membrane, left eye
      • H18.323Folds in Descemet's membrane, bilateral
      • H18.329Folds in Descemet's membrane, unspecified eye
    • H18.33Rupture in Descemet's membrane
      • H18.331Rupture in Descemet's membrane, right eye
      • H18.332Rupture in Descemet's membrane, left eye
      • H18.333Rupture in Descemet's membrane, bilateral
      • H18.339Rupture in Descemet's membrane, unspecified eye
  • H18.4Corneal degeneration
    • H18.40Unspecified corneal degeneration
    • H18.41Arcus senilis
    • H18.42Band keratopathy
      • H18.421Band keratopathy, right eye
      • H18.422Band keratopathy, left eye
      • H18.423Band keratopathy, bilateral
      • H18.429Band keratopathy, unspecified eye
    • H18.43Other calcerous corneal degeneration
    • H18.44Keratomalacia
    • H18.45Nodular corneal degeneration
      • H18.451Nodular corneal degeneration, right eye
      • H18.452Nodular corneal degeneration, left eye
      • H18.453Nodular corneal degeneration, bilateral
      • H18.459Nodular corneal degeneration, unspecified eye
    • H18.46Peripheral corneal degeneration
      • H18.461Peripheral corneal degeneration, right eye
      • H18.462Peripheral corneal degeneration, left eye
      • H18.463Peripheral corneal degeneration, bilateral
      • H18.469Peripheral corneal degeneration, unspecified eye
    • H18.49Other corneal degeneration
  • H18.6Keratoconus
    • H18.60Keratoconus, unspecified
      • H18.601Keratoconus, unspecified, right eye
      • H18.602Keratoconus, unspecified, left eye
      • H18.603Keratoconus, unspecified, bilateral
      • H18.609Keratoconus, unspecified, unspecified eye
    • H18.61Keratoconus, stable
      • H18.611Keratoconus, stable, right eye
      • H18.612Keratoconus, stable, left eye
      • H18.613Keratoconus, stable, bilateral
      • H18.619Keratoconus, stable, unspecified eye
    • H18.62Keratoconus, unstable
      • H18.621Keratoconus, unstable, right eye
      • H18.622Keratoconus, unstable, left eye
      • H18.623Keratoconus, unstable, bilateral
      • H18.629Keratoconus, unstable, unspecified eye
  • H18.7Other and unspecified corneal deformities
    • H18.73Descemetocele
    • H18.70Unspecified corneal deformity
    • H18.71Corneal ectasia
    • H18.72Corneal staphyloma
      • H18.721Corneal staphyloma, right eye
      • H18.722Corneal staphyloma, left eye
      • H18.723Corneal staphyloma, bilateral
      • H18.729Corneal staphyloma, unspecified eye
    • H18.79Other corneal deformities
      • H18.791Other corneal deformities, right eye
      • H18.792Other corneal deformities, left eye
      • H18.793Other corneal deformities, bilateral
      • H18.799Other corneal deformities, unspecified eye
  • H18.8Other specified disorders of cornea
    • H18.81Anesthesia and hypoesthesia of cornea
      • H18.811Anesthesia and hypoesthesia of cornea, right eye
      • H18.812Anesthesia and hypoesthesia of cornea, left eye
      • H18.813Anesthesia and hypoesthesia of cornea, bilateral
      • H18.819Anesthesia and hypoesthesia of cornea, unspecified eye
    • H18.82Corneal disorder due to contact lens
      • H18.821Corneal disorder due to contact lens, right eye
      • H18.822Corneal disorder due to contact lens, left eye
      • H18.823Corneal disorder due to contact lens, bilateral
      • H18.829Corneal disorder due to contact lens, unspecified eye
    • H18.83Recurrent erosion of cornea
      • H18.831Recurrent erosion of cornea, right eye
      • H18.832Recurrent erosion of cornea, left eye
      • H18.833Recurrent erosion of cornea, bilateral
      • H18.839Recurrent erosion of cornea, unspecified eye
    • H18.89Other specified disorders of cornea
      • H18.891Other specified disorders of cornea, right eye
      • H18.892Other specified disorders of cornea, left eye
      • H18.893Other specified disorders of cornea, bilateral
      • H18.899Other specified disorders of cornea, unspecified eye
  • H18.9Unspecified disorder of cornea