T85.311A Breakdown (mechanical) of prosthetic orbit of left eye, initial encounter

Billable ICD-10-CM code, FY2026.

Built from T85.311 with 7th character A (initial encounter).

Applies from T85 Complications of other internal prosthetic devices, implants and grafts

Excludes2 (not included here)

• failure and rejection of transplanted organs and tissue (T86.-)

7th character note

• The appropriate 7th character is to be added to each code from category T85

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from T85.3 Mechanical complication of other ocular prosthetic devices, implants and grafts

Excludes2 (not included here)

• other complications of corneal graft (T86.84-)

Code annotations containing back-references to T85.311A

Back-references to T85.3

• Type 1 Excludes: H59 Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified ("mechanical complication of other ocular prosthetic devices, implants and grafts (T85.3)")
• Type 2 Excludes: T81.59 Other complications of foreign body accidentally left in body following procedure ("obstruction or perforation due to prosthetic devices and implants intentionally left in body (T82.0-T82.5, T83.0-T83.4, T83.7, T84.0-T84.4, T85.0-T85.6)")
• Type 2 Excludes: T86.84 Complications of corneal transplant ("mechanical complications of corneal graft (T85.3-)")
• Type 1 Excludes: Z44.2 Encounter for fitting and adjustment of artificial eye ("mechanical complication of ocular prosthesis (T85.3)")

Back-references to T85

• Type 2 Excludes: T78 Adverse effects, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
• Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications occurring during or following medical procedures (T80-T88)")
• Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("complication of prosthetic devices, implants and grafts (T82-T85)")
• Type 2 Excludes: T88 Other complications of surgical and medical care, not elsewhere classified ("complications of devices, implants and grafts (T82-T85)")
• Type 2 Excludes: Z96 Presence of other functional implants ("complications of internal prosthetic devices, implants and grafts (T82-T85)")
• Type 1 Excludes: Z97 Presence of other devices ("complications of internal prosthetic devices, implants and grafts (T82-T85)")

Nearby codes

• T85.310 Breakdown (mechanical) of prosthetic orbit of right eye
• T85.310A Breakdown (mechanical) of prosthetic orbit of right eye, initial encounter
• T85.310D Breakdown (mechanical) of prosthetic orbit of right eye, subsequent encounter
• T85.310S Breakdown (mechanical) of prosthetic orbit of right eye, sequela
• T85.311 Breakdown (mechanical) of prosthetic orbit of left eye
• T85.311A Breakdown (mechanical) of prosthetic orbit of left eye, initial encounter (this code)
• T85.311D Breakdown (mechanical) of prosthetic orbit of left eye, subsequent encounter
• T85.311S Breakdown (mechanical) of prosthetic orbit of left eye, sequela
• T85.318 Breakdown (mechanical) of other ocular prosthetic devices, implants and grafts
• T85.318A Breakdown (mechanical) of other ocular prosthetic devices, implants and grafts, initial encounter
• T85.318D Breakdown (mechanical) of other ocular prosthetic devices, implants and grafts, subsequent encounter