T86.8419 — Corneal transplant failure, unspecified eye
T86.8419 is a billable, specific ICD-10-CM code for corneal transplant failure, unspecified eye. It is valid for submission on a claim.
Other codes that can never be billed with T86.8419
These codes carry an Excludes1 note pointing at T86.8419. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading T86.8419 alone.
- Z98.85Transplanted organ removal status
Risk adjustment
T86.8419 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
T86.8419 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55717Billing and Coding: Lab: Flow Cytometry
The condition this code belongs to
Every code for the condition on one page, which one applies when, and the mistake coders make with it.
Code history
T86.8419 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share T86.841. If T86.8419 is not quite right, the correct code is usually one of these.
Questions about T86.8419
- Is T86.8419 a billable ICD-10-CM code?
- Yes. T86.8419 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T86.8419 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).