T84.022 — Instability of internal right knee prosthesis
Is T84.022 billable?
No — T84.022 is a non-billable header code. T84.022 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 3 billable codes beneath T84.022.
T84.022 at a glance
| Code | T84.022 |
|---|---|
| Description | Instability of internal right knee prosthesis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T84.022 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T84.02, the nearest indexed parent of T84.022. Use them to find the family, then select the specific code.
- Complication › joint prosthesis, internal › dislocation (s) (from) (of)
- Complication › joint prosthesis, internal › instability (s) (from) (of)
- Complication › joint prosthesis, internal › subluxation (s) (from) (of)
- Complication › joint prosthesis, internal › mechanical › dislocation (s) (from) (of)
- Complication › joint prosthesis, internal › mechanical › displacement (s) (from) (of)
- Complication › joint prosthesis, internal › mechanical › instability (s) (from) (of)
- Complication › joint prosthesis, internal › mechanical › subluxation (s) (from) (of)
Use additional code — inherited from Chapter 19
Report an additional code alongside T84.022 to fully describe the condition. T84.022 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 T84.022 to fully describe the condition. T84.022 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T84.022, but a patient may have both at the same time. When documentation supports it, T84.022 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T80-T88
The conditions below are not part of T84.022, but a patient may have both at the same time. When documentation supports it, T84.022 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 T84
The conditions below are not part of T84.022, but a patient may have both at the same time. When documentation supports it, T84.022 and the excluded code may both be reported.
What codes fall under T84.022? (3)
How long has T84.022 existed?
T84.022 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.
What other codes are in the T84.02 family? (5)
- T84.020Dislocation of internal right hip prosthesisnot billable
- T84.021Dislocation of internal left hip prosthesisnot billable
- T84.023Instability of internal left knee prosthesisnot billable
- T84.028Dislocation of other internal joint prosthesisnot billable
- T84.029Dislocation of unspecified internal joint prosthesisnot billable