Is T86 a billable ICD-10-CM code?

No. T86 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does T86 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).

T86

T86 — Complications of transplanted organs and tissue

Non-billable headerICD-10-CM

T86 is a non-billable header ICD-10-CM code for complications of transplanted organs and tissue. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

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)

Other codes that can never be billed with T86

These codes carry an Excludes1 note pointing at T86. 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 alone.

T86.2Complications of heart transplant
T86.81Complications of lung transplant
Z98.85Transplanted organ removal status

Risk adjustment

T86 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.

Code to one of these instead T86

8 child codes. Green means billable.

Questions about T86

Is T86 a billable ICD-10-CM code?: No. T86 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T86 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).