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ICD-10-CM 2027 diagnosis code

T84.032Mechanical loosening of internal right knee prosthetic joint

Not billable — use a more specific codeRequires 7th character

T84.032 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About T84.032

T84.032 is the ICD-10-CM diagnosis code for mechanical loosening of internal right knee prosthetic joint. It belongs to category T84 (complications of internal orthopedic prosthetic devices, implants and grafts), block T80-T88 (complications of surgical and medical care, not elsewhere classified) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within T84.03 (mechanical loosening of internal prosthetic joint), T84.032 is specifically for mechanical loosening of internal right knee prosthetic joint. Related codes cover internal right hip prosthetic joint (T84.030), internal left hip prosthetic joint (T84.031), internal left knee prosthetic joint (T84.033), other internal prosthetic joint (T84.038) and unspecified internal prosthetic joint (T84.039).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

7th character

The appropriate 7th character is to be added to each code from category T84

Notes that apply from higher levels

Instructions written at a parent level also apply to T84.032.

› From T84 Complications of internal orthopedic prosthetic devices, implants and grafts
Excludes2
  • failure and rejection of transplanted organs and tissues (T86.-)
  • fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6)

Broader instructions also apply from T80-T88 Complications of surgical and medical care, not elsewhere classified and Chapter 19: Injury, poisoning and certain other consequences of external causes.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about T84.032

Is T84.032 billable?

No. T84.032 is a header code. Report one of its more specific subcodes instead.