ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.8 > H05.81 H05.81 Cyst of orbit Non-Billable/Non-Specific Applicable To Encephalocele of orbit Codes H05.811Cyst of right orbitH05.812Cyst of left orbitH05.813Cyst of bilateral orbitsH05.819Cyst of unspecified orbit