HCC Buddy Code Card
FY 2026 Apr updateT84.129ABillable
Displacement of internal fixation device of unspecified bone of limb, initial encounter
CMS-HCC V24
HCC 176
RAF 0.582
ESRD/PACE
HCC 176
RAF 0.000
ACA/HHS
Source required
RAF source required
HCC Buddy Code Book
Skip to code book content
HCC Buddy
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01
Index trail
Displacement of internal fixation device of unspecified bone of limb
See Tabular List: T84.129A
T84, Complications of internal orthopedic prosthetic devices, implants and grafts
T84.1, Mechanical complication of internal fixation device of bones of limb
T84.12, Displacement of internal fixation device of bones of limb
T84.129, Displacement of internal fixation device of unspecified bone of limb
T84.129A, Displacement of internal fixation device of unspecified bone of limb, initial encounter
Selected code, source checked for the selected effective period
Commonly confused codes
official sourceNot listed for this effective period.
Code details and official notes
T84.129A
Displacement of internal fixation device of unspecified bone of limb, initial encounter
Open the shareable code page for T84.129A→billable
Includes
official sourceNot listed for this effective period.
Excludes 1
official sourceNo Excludes 1 note is listed in this source payload.
Excludes 2
official sourceNo Excludes 2 note is listed in this source payload.
Code First
official sourceNot listed for this effective period.
Use Additional
official sourceNot listed for this effective period.
Code Also
official sourceNot listed for this effective period.
7th character
official sourceNot listed for this code in the selected Tabular payload.
Placeholder X
official sourceNot listed for this code in the selected Tabular payload.
Laterality
official sourceNo laterality instruction is listed for this code in the selected Tabular payload.
Effective period
source required- FY2026 Apr update
- Source year 2026
- Updated 2026-04-01
- HCC Buddy public API
HCC Buddy
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01
Index trail
Displacement of internal fixation device of unspecified bone of limb
See Tabular List: T84.129A
T84, Complications of internal orthopedic prosthetic devices, implants and grafts
T84.1, Mechanical complication of internal fixation device of bones of limb
T84.12, Displacement of internal fixation device of bones of limb
T84.129, Displacement of internal fixation device of unspecified bone of limb
T84.129A, Displacement of internal fixation device of unspecified bone of limb, initial encounter
Selected code, source checked for the selected effective period
Commonly confused codes
official sourceNot listed for this effective period.
Code details and official notes
T84.129A
Displacement of internal fixation device of unspecified bone of limb, initial encounter
Open the shareable code page for T84.129A→billable
Includes
official sourceNot listed for this effective period.
Excludes 1
official sourceNo Excludes 1 note is listed in this source payload.
Excludes 2
official sourceNo Excludes 2 note is listed in this source payload.
Code First
official sourceNot listed for this effective period.
Use Additional
official sourceNot listed for this effective period.
Code Also
official sourceNot listed for this effective period.
7th character
official sourceNot listed for this code in the selected Tabular payload.
Placeholder X
official sourceNot listed for this code in the selected Tabular payload.
Laterality
official sourceNo laterality instruction is listed for this code in the selected Tabular payload.
Effective period
source required- FY2026 Apr update
- Source year 2026
- Updated 2026-04-01
- HCC Buddy public API
HCC Buddy Insights
HCC Mapping
V28 source requiredHCC 176 Complications of Specified Implanted Device or Graft (V24)RxHCC source requiredHCC 176 Complications of Specified Implanted Device or Graft (ESRD/PACE)HHS-HCC source required or member context needed for selected effective period (HHS-HCC)
RAF Value
V28 RAF source requiredV24: RAF: 0.582RxHCC RAF source requiredESRD/PACE: RAF: 0.000HHS-HCC RAF source required
Model Period
FY2026 Apr update
Source
source required
Audit Caution
Close codes need documentation support before selection. Do not assume relationships.
Reviewed by the HCC Buddy Coding Team
HCC Buddy workflow band
HCC mapping, RAF, MEAT, source trail, and audit caution stay in view.
MEAT supportaudit cautionsource required
V24
HCC 176
Complications of Specified Implanted Device or Graft
RAF: 0.582
ESRD/PACE
HCC 176
Complications of Specified Implanted Device or Graft
RAF: 0.000
HHS-HCC
source required
HHS-HCC source required or member context needed for selected effective period
RAF: source required
MEAT checklist
Reviewed by the HCC Buddy Coding TeamMonitor, Evaluate, Assess, or Treat must be supported in the provider note.
HCC Buddy guidance, not official ICD-10-CM text.
Audit caution
Reviewed by the HCC Buddy Coding TeamClose codes need documentation support before selection. Do not assume relationships.
HCC Buddy guidance, not official ICD-10-CM text.
Reviewer sign-off
Reviewed by the HCC Buddy Coding TeamMEAT, documentation support, audit cautions, and close-code guidance are reviewed and approved for this effective period.
HCC Buddy enrichment is separate from official source text.
Last updated: April 1, 2026 · Not a substitute for official coding guidelines. No PHI or patient data.
Reviewed by the HCC Buddy Coding TeamFY2026 Apr update
Code
T84.129A
V28 HCC
Not mapped
RAF
source required
Compare tray
Add close codes to compare documentation differences.