T84.012A ICD-10-CM Code: Broken internal right knee prosthesis, initial encounter
T84.012A is the authoritative medical code for Broken internal right knee prosthesis, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for broken internal right knee prosthesis, initial encounter (ICD-10-CM T84.012A), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T84.012A in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- periprosthetic joint implant fracture (M97.-)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- failure and rejection of transplanted organs and tissues (T86.-)
- fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6)
- any encounters with medical care for postprocedural conditions in which no complications are present, such as:
- artificial opening status (Z93.-)
- closure of external stoma (Z43.-)
- fitting and adjustment of external prosthetic device (Z44.-)
- burns and corrosions from local applications and irradiation (T20-T32)
- complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
- mechanical complication of respirator ventilator
- poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
- postprocedural fever (R50.82)
- specified complications classified elsewhere, such as:
- cerebrospinal fluid leak from spinal puncture (G97.0)
- colostomy malfunction (K94.0-)
- disorders of fluid and electrolyte imbalance (E86-E87)
- functional disturbances following cardiac surgery (I97.0-I97.1)
- 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.-)
- ostomy complications (J95.0-, K94.-, N99.5-)
- postgastric surgery syndromes (K91.1)
- postlaminectomy syndrome NEC (M96.1)
- postmastectomy lymphedema syndrome (I97.2)
- postsurgical blind-loop syndrome (K91.2)
- ventilator associated pneumonia (J95.851)
Use Additional Code
Supplementary codes the tabular list directs you to add.
- Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- Use additional code(s) to identify the specified condition resulting from the complication
- Use additional code to identify devices involved and details of circumstances (Y62-Y82)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does T84.012A require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T84.
What can't be coded together with T84.012A?
Per official ICD-10-CM Excludes1 instructions, T84.012A must not be reported together with: periprosthetic joint implant fracture (M97.-).
Can T84.012A be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, T84.012A and the following are not considered part of each other and may both be reported when both conditions are present: failure and rejection of transplanted organs and tissues (T86.-); fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6); any encounters with medical care for postprocedural conditions in which no complications are present, such as:; artificial opening status (Z93.-).
Is an additional code needed with T84.012A?
Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5); code(s) to identify the specified condition resulting from the complication; code to identify devices involved and details of circumstances (Y62-Y82).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T84.012A in its code family, with their registry titles.
- T84.011 — Broken internal left hip prosthesis
- T84.011A — Broken internal left hip prosthesis, initial encounter
- T84.011D — Broken internal left hip prosthesis, subsequent encounter
- T84.011S — Broken internal left hip prosthesis, sequela
- T84.012 — Broken internal right knee prosthesis
- T84.012D — Broken internal right knee prosthesis, subsequent encounter
- T84.012S — Broken internal right knee prosthesis, sequela
- T84.013 — Broken internal left knee prosthesis
- T84.013A — Broken internal left knee prosthesis, initial encounter
- T84.013D — Broken internal left knee prosthesis, subsequent encounter