T84.031
Mechanical loosening of internal left hip prosthetic joint
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 3
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 — T84.03
T84.030 Mechanical loosening of internal right hip prosthetic joint category T84.032 Mechanical loosening of internal right knee prosthetic joint category T84.033 Mechanical loosening of internal left knee prosthetic joint category T84.038 Mechanical loosening of other internal prosthetic joint category T84.039 Mechanical loosening of unsp internal prosthetic joint category
Subordinate codes 3
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.