ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.4 H05.4 Enophthalmos Non-Billable/Non-Specific Codes H05.40Unspecified enophthalmosH05.401Unspecified enophthalmos, right eyeH05.402Unspecified enophthalmos, left eyeH05.403Unspecified enophthalmos, bilateralH05.409Unspecified enophthalmos, unspecified eyeH05.41Enophthalmos due to atrophy of orbital tissueH05.411Enophthalmos due to atrophy of orbital tissue, right eyeH05.412Enophthalmos due to atrophy of orbital tissue, left eyeH05.413Enophthalmos due to atrophy of orbital tissue, bilateralH05.419Enophthalmos due to atrophy of orbital tissue, unspecified eyeH05.42Enophthalmos due to trauma or surgeryH05.421Enophthalmos 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