Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for Retroprosthetic membrane

T85.398

Other mechanical complication of other ocular prosthetic devices, implants and grafts

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Retroprosthetic membrane”. Page updated September 29, 2026.

About coding Retroprosthetic membrane

The ICD-10-CM code for Retroprosthetic membrane is T85.398 (Other mechanical complication of other ocular prosthetic devices, implants and grafts).

Within T85.39, choose T85.398 (other ocular prosthetic devices, implants and grafts) only when documentation doesn't support a more specific option: prosthetic orbit of right eye (T85.390) and prosthetic orbit of left eye (T85.391).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about Retroprosthetic membrane ICD-10 codes

What is the ICD-10 code for Retroprosthetic membrane?

T85.398 — Other mechanical complication of other ocular prosthetic devices, implants and grafts (a header code; report a more specific subcode).

Is T85.398 billable?

No. T85.398 is a header code. Report one of its more specific subcodes instead.