T86.840 — Corneal transplant rejection
Is T86.840 billable?
No — T86.840 is a non-billable header code. T86.840 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath T86.840.
T86.840 at a glance
| Code | T86.840 |
|---|---|
| Description | Corneal transplant rejection |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T86.840 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to T86.840. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Rejection › transplant › cornea
- Complication › graft › cornea › rejection (s) (from) (of)
- Complication › transplant › cornea › rejection (s) (from) (of)
Use additional code — inherited from Chapter 19
Report an additional code alongside T86.840 to fully describe the condition. T86.840 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T80-T88
Report an additional code alongside T86.840 to fully describe the condition. T86.840 is sequenced first.
Use additional code — inherited from T86
Report an additional code alongside T86.840 to fully describe the condition. T86.840 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T86.840, but a patient may have both at the same time. When documentation supports it, T86.840 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T80-T88
The conditions below are not part of T86.840, but a patient may have both at the same time. When documentation supports it, T86.840 and the excluded code may both be reported.
- any encounters with medical care for postprocedural conditions in which no complications are present, such as:
- artificial opening status (Z93.-)
- closure of external stoma (Z43.-)
- fitting and adjustment of external prosthetic device (Z44.-)
- burns and corrosions from local applications and irradiation (T20-T32)
- complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
- mechanical complication of respirator [ventilator] (J95.850)
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
- postprocedural fever (R50.82)
- specified complications classified elsewhere, such as:
- cerebrospinal fluid leak from spinal puncture (G97.0)
- colostomy malfunction (K94.0-)
- disorders of fluid and electrolyte imbalance (E86-E87)
- functional disturbances following cardiac surgery (I97.0-I97.1)
- intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
- ostomy complications (J95.0-, K94.-, N99.5-)
- postgastric surgery syndromes (K91.1)
- postlaminectomy syndrome NEC (M96.1)
- postmastectomy lymphedema syndrome (I97.2)
- postsurgical blind-loop syndrome (K91.2)
- ventilator associated pneumonia (J95.851)
Excludes2 — not included here — inherited from T86.84
The conditions below are not part of T86.840, but a patient may have both at the same time. When documentation supports it, T86.840 and the excluded code may both be reported.
- mechanical complications of corneal graft (T85.3-)
What codes fall under T86.840? (4)
How long has T86.840 existed?
T86.840 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
- FY2021: T86.840 stopped being billable
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.