Below is a list summarizing the CPT codes for excision procedures on the cornea.
CPT Code 65400
CPT 65400 describes the excision of a lesion from the cornea, such as a keratectomy, lamellar, or partial excision, except for a pterygium.
CPT Code 65410
CPT 65410 describes a biopsy of the cornea.
CPT Code 65420
CPT 65420 describes the excision or transposition of a pterygium without a graft.
CPT Code 65426
CPT 65426 describes the excision or transposition of pterygium with a graft.