ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.4 > H05.41 H05.41 Enophthalmos due to atrophy of orbital tissue Non-Billable/Non-Specific Codes H05.411Enophthalmos 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 eye