T82.121A Displacement of cardiac pulse generator (battery), initial encounter

Billable ICD-10-CM code, FY2026.

Built from T82.121 with 7th character A (initial encounter).

Applies from T82 Complications of cardiac and vascular prosthetic devices, implants and grafts

Excludes2 (not included here)

• failure and rejection of transplanted organs and tissue (T86.-)

7th character note

• The appropriate 7th character is to be added to each code from category T82

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from T82.12 Displacement of cardiac electronic device

Applicable to

• Malposition of cardiac electronic device

Code annotations containing back-references to T82.121A

Back-references to T82.1

• Type 2 Excludes: T81.59 Other complications of foreign body accidentally left in body following procedure ("obstruction or perforation due to prosthetic devices and implants intentionally left in body (T82.0-T82.5, T83.0-T83.4, T83.7, T84.0-T84.4, T85.0-T85.6)")

Back-references to T82

• Type 2 Excludes: T78 Adverse effects, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
• Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications occurring during or following medical procedures (T80-T88)")
• Type 2 Excludes: T79 Certain early complications of trauma, not elsewhere classified ("complications of surgical and medical care NEC (T80-T88)")
• Type 2 Excludes: T81 Complications of procedures, not elsewhere classified ("complication of prosthetic devices, implants and grafts (T82-T85)")
• Type 2 Excludes: T88 Other complications of surgical and medical care, not elsewhere classified ("complications of devices, implants and grafts (T82-T85)")
• Type 2 Excludes: Z95 Presence of cardiac and vascular implants and grafts ("complications of cardiac and vascular devices, implants and grafts (T82.-)")
• Type 2 Excludes: Z96 Presence of other functional implants ("complications of internal prosthetic devices, implants and grafts (T82-T85)")
• Type 1 Excludes: Z97 Presence of other devices ("complications of internal prosthetic devices, implants and grafts (T82-T85)")

Diagnosis Index entries for T82.121A

• Complication (s) (from) (of) › cardiovascular device, graft or implant › electronic › pulse generator › mechanical › displacement
• Malposition › device, implant or graft › electronic (electrode) (pulse generator) (stimulator) › cardiac › pulse generator

Nearby codes

• T82.120 Displacement of cardiac electrode
• T82.120A Displacement of cardiac electrode, initial encounter
• T82.120D Displacement of cardiac electrode, subsequent encounter
• T82.120S Displacement of cardiac electrode, sequela
• T82.121 Displacement of cardiac pulse generator (battery)
• T82.121A Displacement of cardiac pulse generator (battery), initial encounter (this code)
• T82.121D Displacement of cardiac pulse generator (battery), subsequent encounter
• T82.121S Displacement of cardiac pulse generator (battery), sequela
• T82.128 Displacement of other cardiac electronic device
• T82.128A Displacement of other cardiac electronic device, initial encounter
• T82.128D Displacement of other cardiac electronic device, subsequent encounter