H11.05 - Peripheral pterygium of eye, progressive H11.0 - Pterygium of eye H11.05 - Peripheral pterygium of eye, progressive
H11.051 - Peripheral pterygium, progressive, right eye H11.052 - Peripheral pterygium, progressive, left eye H11.053 - Peripheral pterygium, progressive, bilateral H11.059 - Peripheral pterygium, progressive, unspecified eye