Coding and coverage · ICD-10-CM

T86 › T86.8 › T86.84

T86.841 Corneal transplant failure

Not billable (header)Chapter 19

Report one of the more specific codes below.

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Codes under this one

  • T86.8411 Corneal transplant failure, right eye
  • T86.8412 Corneal transplant failure, left eye
  • T86.8413 Corneal transplant failure, bilateral
  • T86.8419 Corneal transplant failure, unspecified eye

Instructional notes

Chapter 19

Excludes2Not included here: the patient may have both; report both when both are present.
Use additional codeAdd a second code for the full picture.
  • code to identify any retained foreign body, if applicable (Z18.-)
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

T86

Use additional codeAdd a second code for the full picture.
  • code to identify other transplant complications, such as:
  • graft-versus-host disease (D89.81-)
  • malignancy associated with organ transplant (C80.2)
  • post-transplant lymphoproliferative disorders (PTLD) (D47.Z1)

T86.84

Excludes2Not included here: the patient may have both; report both when both are present.
  • mechanical complications of corneal graft (T85.3-)

Chapter 19: Injury, poisoning and certain other consequences of external causes · T07-T88 Injury, poisoning and certain other consequences of external causes (T07-T88)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.