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T84.6

T84.6: Infection and inflammatory reaction due to internal fixation device

Non-billable headerICD-10-CM

T84.6 is a non-billable header ICD-10-CM code for infection and inflammatory reaction due to internal fixation device. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

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

A
initial encounter
D
subsequent encounter
S
sequela

Use additional code

Add a secondary code to capture the detail described below.

  • code to identify infection

Excludes2 inherited from the categories above T84.6

Not part of this code, but both may be coded when both are present.

Written on T84: Complications of internal orthopedic prosthetic devices, implants and grafts

  • failure and rejection of transplanted organs and tissues (T86.-)
  • fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6)

Other codes that can never be billed with T84.6

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z47.2Encounter for removal of internal fixation device

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T84.6

5 child codes. Green means billable.

Other codes under T84

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.