T88.9XXD — Complication of surgical and medical care, unspecified, subsequent encounter
Is T88.9XXD billable?
Yes, but T88.9XXD is an unspecified code. T88.9XXD is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T88.9XXD is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T88.9XXD.
T88.9XXD at a glance
| Code | T88.9XXD |
|---|---|
| Description | Complication of surgical and medical care, unspecified, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in T88.9XXD?
In T88.9XXD, the 7th character D means subsequent encounter. The 7th character is required for T88.9XXD to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T88.9XXD group to?
T88.9XXD sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is T88.9XXD listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T88.9, the nearest indexed parent of T88.9XXD. Use them to find the family, then select the specific code.
- Misadventure (of) (prophylactic) (therapeutic)
- Complication › electroshock therapy (s) (from) (of)
- Complication › medical procedures (s) (from) (of)
- Complication › phototherapy (s) (from) (of)
- Complication › ultrasound therapy NEC (s) (from) (of)
- Effect, adverse › medical care
- Misadventure › local applications (of) (prophylactic) (therapeutic)
- Misadventure › medical care (of) (prophylactic) (therapeutic)
Use additional code — inherited from Chapter 19
Report an additional code alongside T88.9XXD to fully describe the condition. T88.9XXD 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 T88.9XXD to fully describe the condition. T88.9XXD is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T88.9XXD, but a patient may have both at the same time. When documentation supports it, T88.9XXD and the excluded code may both be reported.
Excludes2 — not included here — inherited from T80-T88
The conditions below are not part of T88.9XXD, but a patient may have both at the same time. When documentation supports it, T88.9XXD 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 T88
The conditions below are not part of T88.9XXD, but a patient may have both at the same time. When documentation supports it, T88.9XXD and the excluded code may both be reported.
- complication following infusion, transfusion and therapeutic injection (T80.-)
- complication following procedure NEC (T81.-)
- complications of anesthesia in labor and delivery (O74.-)
- complications of anesthesia in pregnancy (O29.-)
- complications of anesthesia in puerperium (O89.-)
- complications of devices, implants and grafts (T82-T85)
- complications of obstetric surgery and procedure (O75.4)
- dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
- specified complications classified elsewhere
How long has T88.9XXD existed?
T88.9XXD 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.