ICD-10-CM > H00-H59 > H15-H22 > H16 > H16.4 H16.4 Corneal neovascularization Non-Billable/Non-Specific Codes H16.40Unspecified corneal neovascularizationH16.401Unspecified corneal neovascularization, right eyeH16.402Unspecified corneal neovascularization, left eyeH16.403Unspecified corneal neovascularization, bilateralH16.409Unspecified corneal neovascularization, unspecified eyeH16.41Ghost vessels (corneal)H16.411Ghost vessels (corneal), right eyeH16.412Ghost vessels (corneal), left eyeH16.413Ghost vessels (corneal), bilateralH16.419Ghost vessels (corneal), unspecified eyeH16.42Pannus (corneal)H16.421Pannus (corneal), right eyeH16.422Pannus (corneal), left eyeH16.423Pannus (corneal), bilateralH16.429Pannus (corneal), unspecified eyeH16.43Localized vascularization of corneaH16.431Localized vascularization of cornea, right eyeH16.432Localized vascularization of cornea, left eyeH16.433Localized vascularization of cornea, bilateralH16.439Localized vascularization of cornea, unspecified eyeH16.44Deep vascularization of corneaH16.441Deep vascularization of cornea, right eyeH16.442Deep vascularization of cornea, left eyeH16.443Deep vascularization of cornea, bilateralH16.449Deep vascularization of cornea, unspecified eye