ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.4 > H05.42 H05.42 Enophthalmos due to trauma or surgery Non-Billable/Non-Specific Codes H05.421Enophthalmos due to trauma or surgery, right eyeH05.422Enophthalmos due to trauma or surgery, left eyeH05.423Enophthalmos due to trauma or surgery, bilateralH05.429Enophthalmos due to trauma or surgery, unspecified eye