ICD-10-CM > H00-H59 > H00-H05 > H05 > H05.4 > H05.40 H05.40 Unspecified enophthalmos Non-Billable/Non-Specific Codes H05.401Unspecified enophthalmos, right eyeH05.402Unspecified enophthalmos, left eyeH05.403Unspecified enophthalmos, bilateralH05.409Unspecified enophthalmos, unspecified eye