ICD-10-CM > S00-T88 > T80-T88 > T85 > T85.3 > T85.31 > T85.311 T85.311 Breakdown (mechanical) of prosthetic orbit of left eye Non-Billable/Non-Specific Codes T85.311A..., initial encounterT85.311D..., subsequent encounterT85.311S..., sequela