T84.01 ICD-10-CM Code: Broken internal joint prosthesis
T84.01 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools
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FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Complications of surgical and medical care, not elsewhere classified (T80-T88)
T84.01
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceBroken internal joint prosthesis
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
Official- Breakage (fracture) of prosthetic joint
- Broken prosthetic joint implant
Excludes 2
Official- birth trauma (P10-P15)Inherited from S00-T88, T80-T88, T84
- obstetric trauma (O70-O71)Inherited from S00-T88, T80-T88, T84
- any encounters with medical care for postprocedural conditions in which no complications are present, such as:Inherited from S00-T88, T80-T88, T84
- artificial opening status (Z93.-)Inherited from S00-T88, T80-T88, T84
- closure of external stoma (Z43.-)Inherited from S00-T88, T80-T88, T84
- fitting and adjustment of external prosthetic device (Z44.-)Inherited from S00-T88, T80-T88, T84
- burns and corrosions from local applications and irradiation (T20-T32)Inherited from S00-T88, T80-T88, T84
- complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)Inherited from S00-T88, T80-T88, T84
- mechanical complication of respirator [ventilator] (J95.850)Inherited from S00-T88, T80-T88, T84
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)Inherited from S00-T88, T80-T88, T84
- postprocedural fever (R50.82)Inherited from S00-T88, T80-T88, T84
- specified complications classified elsewhere, such as:Inherited from S00-T88, T80-T88, T84
- cerebrospinal fluid leak from spinal puncture (G97.0)Inherited from S00-T88, T80-T88, T84
- colostomy malfunction (K94.0-)Inherited from S00-T88, T80-T88, T84
- disorders of fluid and electrolyte imbalance (E86-E87)Inherited from S00-T88, T80-T88, T84
- functional disturbances following cardiac surgery (I97.0-I97.1)Inherited from S00-T88, T80-T88, T84
- intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)Inherited from S00-T88, T80-T88, T84
- ostomy complications (J95.0-, K94.-, N99.5-)Inherited from S00-T88, T80-T88, T84
- postgastric surgery syndromes (K91.1)Inherited from S00-T88, T80-T88, T84
- postlaminectomy syndrome NEC (M96.1)Inherited from S00-T88, T80-T88, T84
- postmastectomy lymphedema syndrome (I97.2)Inherited from S00-T88, T80-T88, T84
- postsurgical blind-loop syndrome (K91.2)Inherited from S00-T88, T80-T88, T84
- ventilator associated pneumonia (J95.851)Inherited from S00-T88, T80-T88, T84
- failure and rejection of transplanted organs and tissues (T86.-)Inherited from S00-T88, T80-T88, T84
- fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6)Inherited from S00-T88, T80-T88, T84
Related Codes
Includes
OfficialNo Includes notes are included in this display for T84.01. Check the code and parent instructions in the Code Book.
Excludes 1
Official- periprosthetic joint implant fracture (M97.-)
Code First
OfficialNo Code First sequencing instructions are included in this display for T84.01. Check the code and parent instructions in the Code Book.
Use Additional
Official- code to identify any retained foreign body, if applicable (Z18.-)Inherited from S00-T88, T80-T88
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)Inherited from S00-T88, T80-T88
- code(s) to identify the specified condition resulting from the complicationInherited from S00-T88, T80-T88
- code to identify devices involved and details of circumstances (Y62-Y82)Inherited from S00-T88, T80-T88
Code Also
OfficialNo Code Also instructions are included in this display for T84.01. Check the code and parent instructions in the Code Book.
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- T84.01
- Description
- Broken internal joint prosthesis
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
T84.01 is the ICD-10-CM diagnosis code for broken internal joint prosthesis. T84.01 sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering complications of surgical and medical care, not elsewhere classified (t80-t88).
Header codes like T84.01 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for T84.01 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Excludes 1, Do NOT code together
- periprosthetic joint implant fracture (M97.-)