1. H16 Keratitis

    1. H16.0 Corneal ulcer

      1. H16.00 Unspecified corneal ulcer

        • H16.001 Unspecified corneal ulcer, right eye
        • H16.002 Unspecified corneal ulcer, left eye
        • H16.003 Unspecified corneal ulcer, bilateral
        • H16.009 Unspecified corneal ulcer, unspecified eye
      2. H16.01 Central corneal ulcer

        • H16.011 Central corneal ulcer, right eye
        • H16.012 Central corneal ulcer, left eye
        • H16.013 Central corneal ulcer, bilateral
        • H16.019 Central corneal ulcer, unspecified eye
      3. H16.02 Ring corneal ulcer

        • H16.021 Ring corneal ulcer, right eye
        • H16.022 Ring corneal ulcer, left eye
        • H16.023 Ring corneal ulcer, bilateral
        • H16.029 Ring corneal ulcer, unspecified eye
      4. H16.03 Corneal ulcer with hypopyon

        • H16.031 Corneal ulcer with hypopyon, right eye
        • H16.032 Corneal ulcer with hypopyon, left eye
        • H16.033 Corneal ulcer with hypopyon, bilateral
        • H16.039 Corneal ulcer with hypopyon, unspecified eye
      5. H16.04 Marginal corneal ulcer

        • H16.041 Marginal corneal ulcer, right eye
        • H16.042 Marginal corneal ulcer, left eye
        • H16.043 Marginal corneal ulcer, bilateral
        • H16.049 Marginal corneal ulcer, unspecified eye
      6. H16.05 Mooren's corneal ulcer

        • H16.051 Mooren's corneal ulcer, right eye
        • H16.052 Mooren's corneal ulcer, left eye
        • H16.053 Mooren's corneal ulcer, bilateral
        • H16.059 Mooren's corneal ulcer, unspecified eye
      7. H16.06 Mycotic corneal ulcer

        • H16.061 Mycotic corneal ulcer, right eye
        • H16.062 Mycotic corneal ulcer, left eye
        • H16.063 Mycotic corneal ulcer, bilateral
        • H16.069 Mycotic corneal ulcer, unspecified eye
      8. H16.07 Perforated corneal ulcer

        • H16.071 Perforated corneal ulcer, right eye
        • H16.072 Perforated corneal ulcer, left eye
        • H16.073 Perforated corneal ulcer, bilateral
        • H16.079 Perforated corneal ulcer, unspecified eye
    2. H16.1 Other and unspecified superficial keratitis without conjunctivitis

      1. H16.10 Unspecified superficial keratitis

        • H16.101 Unspecified superficial keratitis, right eye
        • H16.102 Unspecified superficial keratitis, left eye
        • H16.103 Unspecified superficial keratitis, bilateral
        • H16.109 Unspecified superficial keratitis, unspecified eye
      2. H16.11 Macular keratitis

        Inclusion term(s):

        • Areolar keratitis
        • Nummular keratitis
        • Stellate keratitis
        • Striate keratitis
        • H16.111 Macular keratitis, right eye
        • H16.112 Macular keratitis, left eye
        • H16.113 Macular keratitis, bilateral
        • H16.119 Macular keratitis, unspecified eye
      3. H16.12 Filamentary keratitis

        • H16.121 Filamentary keratitis, right eye
        • H16.122 Filamentary keratitis, left eye
        • H16.123 Filamentary keratitis, bilateral
        • H16.129 Filamentary keratitis, unspecified eye
      4. H16.13 Photokeratitis

        Inclusion term(s):

        • Snow blindness
        • Welders keratitis
        • H16.131 Photokeratitis, right eye
        • H16.132 Photokeratitis, left eye
        • H16.133 Photokeratitis, bilateral
        • H16.139 Photokeratitis, unspecified eye
      5. H16.14 Punctate keratitis

        • H16.141 Punctate keratitis, right eye
        • H16.142 Punctate keratitis, left eye
        • H16.143 Punctate keratitis, bilateral
        • H16.149 Punctate keratitis, unspecified eye
    3. H16.2 Keratoconjunctivitis

      1. H16.20 Unspecified keratoconjunctivitis

        Inclusion term(s):

        • Superficial keratitis with conjunctivitis NOS
        • H16.201 Unspecified keratoconjunctivitis, right eye
        • H16.202 Unspecified keratoconjunctivitis, left eye
        • H16.203 Unspecified keratoconjunctivitis, bilateral
        • H16.209 Unspecified keratoconjunctivitis, unspecified eye
      2. H16.21 Exposure keratoconjunctivitis

        • H16.211 Exposure keratoconjunctivitis, right eye
        • H16.212 Exposure keratoconjunctivitis, left eye
        • H16.213 Exposure keratoconjunctivitis, bilateral
        • H16.219 Exposure keratoconjunctivitis, unspecified eye
      3. H16.22 Keratoconjunctivitis sicca, not specified as Sjögren's

        • H16.221 Keratoconjunctivitis sicca, not specified as Sjögren's, right eye
        • H16.222 Keratoconjunctivitis sicca, not specified as Sjögren's, left eye
        • H16.223 Keratoconjunctivitis sicca, not specified as Sjögren's, bilateral
        • H16.229 Keratoconjunctivitis sicca, not specified as Sjögren's, unspecified eye
      4. H16.23 Neurotrophic keratoconjunctivitis

        • H16.231 Neurotrophic keratoconjunctivitis, right eye
        • H16.232 Neurotrophic keratoconjunctivitis, left eye
        • H16.233 Neurotrophic keratoconjunctivitis, bilateral
        • H16.239 Neurotrophic keratoconjunctivitis, unspecified eye
      5. H16.24 Ophthalmia nodosa

        • H16.241 Ophthalmia nodosa, right eye
        • H16.242 Ophthalmia nodosa, left eye
        • H16.243 Ophthalmia nodosa, bilateral
        • H16.249 Ophthalmia nodosa, unspecified eye
      6. H16.25 Phlyctenular keratoconjunctivitis

        • H16.251 Phlyctenular keratoconjunctivitis, right eye
        • H16.252 Phlyctenular keratoconjunctivitis, left eye
        • H16.253 Phlyctenular keratoconjunctivitis, bilateral
        • H16.259 Phlyctenular keratoconjunctivitis, unspecified eye
      7. H16.26 Vernal keratoconjunctivitis, with limbar and corneal involvement

        • H16.261 Vernal keratoconjunctivitis, with limbar and corneal involvement, right eye
        • H16.262 Vernal keratoconjunctivitis, with limbar and corneal involvement, left eye
        • H16.263 Vernal keratoconjunctivitis, with limbar and corneal involvement, bilateral
        • H16.269 Vernal keratoconjunctivitis, with limbar and corneal involvement, unspecified eye
      8. H16.29 Other keratoconjunctivitis

        • H16.291 Other keratoconjunctivitis, right eye
        • H16.292 Other keratoconjunctivitis, left eye
        • H16.293 Other keratoconjunctivitis, bilateral
        • H16.299 Other keratoconjunctivitis, unspecified eye
    4. H16.3 Interstitial and deep keratitis

      1. H16.30 Unspecified interstitial keratitis

        • H16.301 Unspecified interstitial keratitis, right eye
        • H16.302 Unspecified interstitial keratitis, left eye
        • H16.303 Unspecified interstitial keratitis, bilateral
        • H16.309 Unspecified interstitial keratitis, unspecified eye
      2. H16.31 Corneal abscess

        • H16.311 Corneal abscess, right eye
        • H16.312 Corneal abscess, left eye
        • H16.313 Corneal abscess, bilateral
        • H16.319 Corneal abscess, unspecified eye
      3. H16.32 Diffuse interstitial keratitis

        Inclusion term(s):

        • Cogan's syndrome
        • H16.321 Diffuse interstitial keratitis, right eye
        • H16.322 Diffuse interstitial keratitis, left eye
        • H16.323 Diffuse interstitial keratitis, bilateral
        • H16.329 Diffuse interstitial keratitis, unspecified eye
      4. H16.33 Sclerosing keratitis

        • H16.331 Sclerosing keratitis, right eye
        • H16.332 Sclerosing keratitis, left eye
        • H16.333 Sclerosing keratitis, bilateral
        • H16.339 Sclerosing keratitis, unspecified eye
      5. H16.39 Other interstitial and deep keratitis

        • H16.391 Other interstitial and deep keratitis, right eye
        • H16.392 Other interstitial and deep keratitis, left eye
        • H16.393 Other interstitial and deep keratitis, bilateral
        • H16.399 Other interstitial and deep keratitis, unspecified eye
    5. H16.4 Corneal neovascularization

      1. H16.40 Unspecified corneal neovascularization

        • H16.401 Unspecified corneal neovascularization, right eye
        • H16.402 Unspecified corneal neovascularization, left eye
        • H16.403 Unspecified corneal neovascularization, bilateral
        • H16.409 Unspecified corneal neovascularization, unspecified eye
      2. H16.41 Ghost vessels (corneal)

        • H16.411 Ghost vessels (corneal), right eye
        • H16.412 Ghost vessels (corneal), left eye
        • H16.413 Ghost vessels (corneal), bilateral
        • H16.419 Ghost vessels (corneal), unspecified eye
      3. H16.42 Pannus (corneal)

        • H16.421 Pannus (corneal), right eye
        • H16.422 Pannus (corneal), left eye
        • H16.423 Pannus (corneal), bilateral
        • H16.429 Pannus (corneal), unspecified eye
      4. H16.43 Localized vascularization of cornea

        • H16.431 Localized vascularization of cornea, right eye
        • H16.432 Localized vascularization of cornea, left eye
        • H16.433 Localized vascularization of cornea, bilateral
        • H16.439 Localized vascularization of cornea, unspecified eye
      5. H16.44 Deep vascularization of cornea

        • H16.441 Deep vascularization of cornea, right eye
        • H16.442 Deep vascularization of cornea, left eye
        • H16.443 Deep vascularization of cornea, bilateral
        • H16.449 Deep vascularization of cornea, unspecified eye
    6. H16.8 Other keratitis

    7. H16.9 Unspecified keratitis

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.