T86.820 — Skin graft (allograft) rejection
Is T86.820 billable?
Yes — T86.820 is billable for FY2027. T86.820 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T86.820 may be submitted for encounters from October 1, 2026 through September 30, 2027.
T86.820 at a glance
| Code | T86.820 |
|---|---|
| Description | Skin graft (allograft) rejection |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does T86.820 group to?
T86.820 sits in MDC 21 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 919Complications of Treatment with MCCmedical
- 920Complications of Treatment with CCmedical
- 921Complications of Treatment without CC/MCCmedical
As a secondary diagnosis, T86.820 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is T86.820 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to T86.820. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Rejection › transplant › skin
- Complication › prosthetic device or implant › skin graft › rejection (s) (from) (of)
- Complication › skin › graft › rejection (s) (from) (of)
- Complication › transplant › skin › rejection (s) (from) (of)
Use additional code — inherited from Chapter 19
Report an additional code alongside T86.820 to fully describe the condition. T86.820 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 T86.820 to fully describe the condition. T86.820 is sequenced first.
Use additional code — inherited from T86
Report an additional code alongside T86.820 to fully describe the condition. T86.820 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T86.820, but a patient may have both at the same time. When documentation supports it, T86.820 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T80-T88
The conditions below are not part of T86.820, but a patient may have both at the same time. When documentation supports it, T86.820 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 T86.82
The conditions below are not part of T86.820, but a patient may have both at the same time. When documentation supports it, T86.820 and the excluded code may both be reported.
- complication of artificial skin graft (T85.693)
How long has T86.820 existed?
T86.820 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.