New blood vessels originating from the corneal veins and extending from the limbus into the adjacent corneal stroma. Neovascularization in the superficial and/or deep corneal stroma is a sequel to numerous inflammatory diseases of the ocular anterior segment, such as trachoma, viral interstitial keratitis, microbial keratoconjunctivitis, and the immune response elicited by corneal transplantation.
H16.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM H16.4 became effective on October 1, 2022.
This is the American ICD-10-CM version of H16.4 – other international versions of ICD-10 H16.4 may differ.