H16 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 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 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 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 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 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 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 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 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 H16.1 Other and unspecified superficial keratitis without conjunctivitis 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 H16.111 Macular keratitis, right eye H16.113 Macular keratitis, bilateral H16.119 Macular keratitis, unspecified eye H16.121 Filamentary keratitis, right eye H16.122 Filamentary keratitis, left eye H16.123 Filamentary keratitis, bilateral H16.129 Filamentary keratitis, unspecified eye H16.139 Photokeratitis, unspecified eye H16.141 Punctate keratitis, right eye H16.142 Punctate keratitis, left eye H16.143 Punctate keratitis, bilateral H16.149 Punctate keratitis, unspecified eye H16.2 Keratoconjunctivitis H16.20 Unspecified keratoconjunctivitis H16.201 Unspecified keratoconjunctivitis, right eye H16.202 Unspecified keratoconjunctivitis, left eye H16.203 Unspecified keratoconjunctivitis, bilateral H16.209 Unspecified keratoconjunctivitis, unspecified eye 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 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 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 H16.241 Ophthalmia nodosa, right eye H16.243 Ophthalmia nodosa, bilateral H16.249 Ophthalmia nodosa, unspecified eye 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 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 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 H16.3 Interstitial and deep keratitis H16.331 Sclerosing keratitis, right eye H16.332 Sclerosing keratitis, left eye H16.333 Sclerosing keratitis, bilateral H16.339 Sclerosing keratitis, unspecified eye 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 H16.319 Corneal abscess, unspecified eye H16.32 Diffuse interstitial keratitis 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 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 H16.4 Corneal neovascularization 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 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 H16.429 Pannus (corneal), unspecified eye 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 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 H16.9 Unspecified keratitis