Wiki Need Cpt for 'Thermal therapy for corneal neovascularization'

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In an ASC setting, patient underwent a phacoemulsification with iol placement and also a thermal therapy for corneal vascularization. Corneal neovascularization was in only one quadrant temporarily on left cornea. I have located the diagnosis code for the neovascularization, but am having difficulty locating the CPT code. I was originally looking at the 65450, but this states destruction of a corneal defect. Do we assume the that the neovascularization of the cornea is a 'defect'?