T84.02
Dislocation of internal joint prosthesis
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 4 never code together
T84code
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 5
T84.02code
Inclusion terms
- Instability of internal joint prosthesis
- Subluxation of internal joint prosthesis
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
Alongside this code 5 same parent — T84.0
T84.01 Broken internal joint prosthesis category T84.03 Mechanical loosening of internal prosthetic joint category T84.05 Periprosthetic osteolysis of internal prosthetic joint category T84.06 Wear of articular bearing surface of internal prosth joint category T84.09 Other mechanical complication of internal joint prosthesis category
Subordinate codes 6
T84.020 Dislocation of internal right hip prosthesis T84.021 Dislocation of internal left hip prosthesis T84.022 Instability of internal right knee prosthesis T84.023 Instability of internal left knee prosthesis T84.028 Dislocation of other internal joint prosthesis T84.029 Dislocation of unspecified internal joint prosthesis
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.