2007 ICD-9-CM Procedure 12.1 Iridotomy and simple iridectomy 12.1 is a non-specific code that should not be used to specify a procedure View the full Volume 3 12.* hierarchy 12.1 excludes: iridectomy associated with: cataract extraction (13.11-13.69) removal of lesion (12.41-12.42) scleral fistulization (12.61-12.69)