CHAPTER A - nomesco

CG Cornea and sclera
CGA Biopsy of cornea or sclera
CGA 00 Biopsy of cornea
CGA 10 Biopsy of sclera
CGB Incision of cornea or sclera
CGB 00 Keratotomy
CGB 10 Sclerotomy
EYE AND ADJACENT STRUCTURES
CGC Removal of foreign body from cornea or sclera
CGC 10 Removal of foreign body from cornea
CGC 20 Removal of foreign body from cornea using magnet
CGC 30 Removal of foreign body from sclera
CGC 40 Removal of foreign body from sclera using magnet
CGD Operations for errors of refraction
CGD 00 Keratotomy for error of refraction
CGD 10 Laser keratoplasty for error of refraction
CGD 15 Thermokeratoplasty
Additional code for laser thermokeratoplasty (LTK), see ZXC 10, for conductive keratoplasty (CK – use of radio
waves), see ZXC 35
CGD 20 Keratomileusis
CGD 40 Implantation of intracorneal ring segments
In myopia or for the correction of the error of refraction in moderate keratoconus
CGD 99 Other operation for error of refraction
CGE Operations for lesion of cornea and sclera
CGE 10 Keratectomy
CGE 30 Sclerectomy
CGE 45 Repair of cornea using limbal stem cell graft
Supplementary codes for source of limbal stem cells, see: ZCG 50-ZCG 53
CGE 50 Excision of pterygium
CGE 55 Excision of pterygium with transplantation of conjunctiva
CGE 99 Other operation for lesion of cornea or sclera
CGF Operations on cornea and sclera for perforating injury
CGF 00 Closure of laceration of cornea using tissue glue
CGF 10 Suture of laceration of cornea
CGF 20 Suture of laceration of cornea with plastic repair of conjunctiva
CGF 25 Suture of laceration of cornea with resection of protruding uvea
CGF 30 Repair of cornea using graft of conjunctiva
CGF 35 Repair of cornea with graft
Additional code for free graft of amniotic membrane, see: ZZL 00, of conjunctiva, see: ZZU 10
CGF 40 Closure of laceration of sclera using tissue glue
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