Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
Internal Codes
  • T84.028|

    Dislocation of other internal joint prosthesis

  • T84.028A|

    Dislocation of other internal joint prosthesis, initial encounter

  • T84.028D|

    Dislocation of other internal joint prosthesis, subsequent encounter

  • T84.028S|

    Dislocation of other internal joint prosthesis, sequela

  • T84.029|

    Dislocation of unspecified internal joint prosthesis

  • T84.029A|

    Dislocation of unspecified internal joint prosthesis, initial encounter

  • T84.029D|

    Dislocation of unspecified internal joint prosthesis, subsequent encounter

  • T84.029S|

    Dislocation of unspecified internal joint prosthesis, sequela

  • T84.03|

    Mechanical loosening of internal prosthetic joint

  • T84.030|

    Mechanical loosening of internal right hip prosthetic joint

  • T84.030A|

    Mechanical loosening of internal right hip prosthetic joint, initial encounter

  • T84.030D|

    Mechanical loosening of internal right hip prosthetic joint, subsequent encounter

  • T84.030S|

    Mechanical loosening of internal right hip prosthetic joint, sequela

  • T84.031|

    Mechanical loosening of internal left hip prosthetic joint

  • T84.031A|

    Mechanical loosening of internal left hip prosthetic joint, initial encounter

  • T84.031D|

    Mechanical loosening of internal left hip prosthetic joint, subsequent encounter

  • T84.031S|

    Mechanical loosening of internal left hip prosthetic joint, sequela

  • T84.032|

    Mechanical loosening of internal right knee prosthetic joint

  • T84.032A|

    Mechanical loosening of internal right knee prosthetic joint, initial encounter

  • T84.032D|

    Mechanical loosening of internal right knee prosthetic joint, subsequent encounter

  • T84.032S|

    Mechanical loosening of internal right knee prosthetic joint, sequela

  • T84.033|

    Mechanical loosening of internal left knee prosthetic joint

  • T84.033A|

    Mechanical loosening of internal left knee prosthetic joint, initial encounter

  • T84.033D|

    Mechanical loosening of internal left knee prosthetic joint, subsequent encounter

  • T84.033S|

    Mechanical loosening of internal left knee prosthetic joint, sequela

  • T84.038|

    Mechanical loosening of other internal prosthetic joint

  • T84.038A|

    Mechanical loosening of other internal prosthetic joint, initial encounter

  • T84.038D|

    Mechanical loosening of other internal prosthetic joint, subsequent encounter

  • T84.038S|

    Mechanical loosening of other internal prosthetic joint, sequela

  • T84.039|

    Mechanical loosening of unspecified internal prosthetic joint

  • T84.039A|

    Mechanical loosening of unspecified internal prosthetic joint, initial encounter

  • T84.039D|

    Mechanical loosening of unspecified internal prosthetic joint, subsequent encounter

  • T84.039S|

    Mechanical loosening of unspecified internal prosthetic joint, sequela

  • T84.05|

    Periprosthetic osteolysis of internal prosthetic joint

  • T84.050|

    Periprosthetic osteolysis of internal prosthetic right hip joint

  • T84.050A|

    Periprosthetic osteolysis of internal prosthetic right hip joint, initial encounter

  • T84.050D|

    Periprosthetic osteolysis of internal prosthetic right hip joint, subsequent encounter

  • T84.050S|

    Periprosthetic osteolysis of internal prosthetic right hip joint, sequela

  • T84.051|

    Periprosthetic osteolysis of internal prosthetic left hip joint

  • T84.051A|

    Periprosthetic osteolysis of internal prosthetic left hip joint, initial encounter

  • T84.051D|

    Periprosthetic osteolysis of internal prosthetic left hip joint, subsequent encounter

  • T84.051S|

    Periprosthetic osteolysis of internal prosthetic left hip joint, sequela

  • T84.052|

    Periprosthetic osteolysis of internal prosthetic right knee joint

  • T84.052A|

    Periprosthetic osteolysis of internal prosthetic right knee joint, initial encounter

  • T84.052D|

    Periprosthetic osteolysis of internal prosthetic right knee joint, subsequent encounter

  • T84.052S|

    Periprosthetic osteolysis of internal prosthetic right knee joint, sequela

  • T84.053|

    Periprosthetic osteolysis of internal prosthetic left knee joint

  • T84.053A|

    Periprosthetic osteolysis of internal prosthetic left knee joint, initial encounter

  • T84.053D|

    Periprosthetic osteolysis of internal prosthetic left knee joint, subsequent encounter

  • T84.053S|

    Periprosthetic osteolysis of internal prosthetic left knee joint, sequela

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