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
  • T48.0X5S|

    Adverse effect of oxytocic drugs, sequela

  • T48.0X6|

    Underdosing of oxytocic drugs

  • T48.0X6A|

    Underdosing of oxytocic drugs, initial encounter

  • T48.0X6D|

    Underdosing of oxytocic drugs, subsequent encounter

  • T48.0X6S|

    Underdosing of oxytocic drugs, sequela

  • T48.1|

    Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]

  • T48.1X|

    Poisoning by, adverse effect of and underdosing of skeletal muscle relaxants [neuromuscular blocking agents]

  • T48.1X1|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional)

  • T48.1X1A|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), initial encounter

  • T48.1X1D|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), subsequent encounter

  • T48.1X1S|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], accidental (unintentional), sequela

  • T48.1X2|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm

  • T48.1X2A|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm, initial encounter

  • T48.1X2D|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm, subsequent encounter

  • T48.1X2S|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], intentional self-harm, sequela

  • T48.1X3|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault

  • T48.1X3A|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault, initial encounter

  • T48.1X3D|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault, subsequent encounter

  • T48.1X3S|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], assault, sequela

  • T48.1X4|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined

  • T48.1X4A|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined, initial encounter

  • T48.1X4D|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined, subsequent encounter

  • T48.1X4S|

    Poisoning by skeletal muscle relaxants [neuromuscular blocking agents], undetermined, sequela

  • T48.1X5|

    Adverse effect of skeletal muscle relaxants [neuromuscular blocking agents]

  • T48.1X5A|

    Adverse effect of skeletal muscle relaxants [neuromuscular blocking agents], initial encounter

  • T48.1X5D|

    Adverse effect of skeletal muscle relaxants [neuromuscular blocking agents], subsequent encounter

  • T48.1X5S|

    Adverse effect of skeletal muscle relaxants [neuromuscular blocking agents], sequela

  • T48.1X6|

    Underdosing of skeletal muscle relaxants [neuromuscular blocking agents]

  • T48.1X6A|

    Underdosing of skeletal muscle relaxants [neuromuscular blocking agents], initial encounter

  • T48.1X6D|

    Underdosing of skeletal muscle relaxants [neuromuscular blocking agents], subsequent encounter

  • T48.1X6S|

    Underdosing of skeletal muscle relaxants [neuromuscular blocking agents], sequela

  • T48.2|

    Poisoning by, adverse effect of and underdosing of other and unspecified drugs acting on muscles

  • T48.20|

    Poisoning by, adverse effect of and underdosing of unspecified drugs acting on muscles

  • T48.201|

    Poisoning by unspecified drugs acting on muscles, accidental (unintentional)

  • T48.201A|

    Poisoning by unspecified drugs acting on muscles, accidental (unintentional), initial encounter

  • T48.201D|

    Poisoning by unspecified drugs acting on muscles, accidental (unintentional), subsequent encounter

  • T48.201S|

    Poisoning by unspecified drugs acting on muscles, accidental (unintentional), sequela

  • T48.202|

    Poisoning by unspecified drugs acting on muscles, intentional self-harm

  • T48.202A|

    Poisoning by unspecified drugs acting on muscles, intentional self-harm, initial encounter

  • T48.202D|

    Poisoning by unspecified drugs acting on muscles, intentional self-harm, subsequent encounter

  • T48.202S|

    Poisoning by unspecified drugs acting on muscles, intentional self-harm, sequela

  • T48.203|

    Poisoning by unspecified drugs acting on muscles, assault

  • T48.203A|

    Poisoning by unspecified drugs acting on muscles, assault, initial encounter

  • T48.203D|

    Poisoning by unspecified drugs acting on muscles, assault, subsequent encounter

  • T48.203S|

    Poisoning by unspecified drugs acting on muscles, assault, sequela

  • T48.204|

    Poisoning by unspecified drugs acting on muscles, undetermined

  • T48.204A|

    Poisoning by unspecified drugs acting on muscles, undetermined, initial encounter

  • T48.204D|

    Poisoning by unspecified drugs acting on muscles, undetermined, subsequent encounter

  • T48.204S|

    Poisoning by unspecified drugs acting on muscles, undetermined, sequela

  • T48.205|

    Adverse effect of unspecified drugs acting on muscles

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