T86.8409
T86.8409 — Corneal transplant rejection, unspecified eye
Billable / specific codeICD-10-CMunspecified
T86.8409 is a billable, specific ICD-10-CM code for corneal transplant rejection, unspecified eye. It is valid for submission on a claim.
Risk adjustment
T86.8409 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
T86.8409 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
Related codes at this level
Codes that share T86.840. If T86.8409 is not quite right, the correct code is usually one of these.
Questions about T86.8409
- Is T86.8409 a billable ICD-10-CM code?
- Yes. T86.8409 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T86.8409 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).