ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.3 > H05.34 H05.34 Enlargement of orbit Non-Billable/Non-Specific Codes H05.341Enlargement of right orbitH05.342Enlargement of left orbitH05.343Enlargement of bilateral orbitsH05.349Enlargement of unspecified orbit