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
  • S56.809

    Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm

  • S56.809A

    Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm, initial encounter

  • S56.809D

    Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter

  • S56.809S

    Unspecified injury of other muscles, fascia and tendons at forearm level, unspecified arm, sequela

  • S56.81

    Strain of other muscles, fascia and tendons at forearm level

  • S56.811

    Strain of other muscles, fascia and tendons at forearm level, right arm

  • S56.811A

    Strain of other muscles, fascia and tendons at forearm level, right arm, initial encounter

  • S56.811D

    Strain of other muscles, fascia and tendons at forearm level, right arm, subsequent encounter

  • S56.811S

    Strain of other muscles, fascia and tendons at forearm level, right arm, sequela

  • S56.812

    Strain of other muscles, fascia and tendons at forearm level, left arm

  • S56.812A

    Strain of other muscles, fascia and tendons at forearm level, left arm, initial encounter

  • S56.812D

    Strain of other muscles, fascia and tendons at forearm level, left arm, subsequent encounter

  • S56.812S

    Strain of other muscles, fascia and tendons at forearm level, left arm, sequela

  • S56.819

    Strain of other muscles, fascia and tendons at forearm level, unspecified arm

  • S56.819A

    Strain of other muscles, fascia and tendons at forearm level, unspecified arm, initial encounter

  • S56.819D

    Strain of other muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter

  • S56.819S

    Strain of other muscles, fascia and tendons at forearm level, unspecified arm, sequela

  • S56.82

    Laceration of other muscles, fascia and tendons at forearm level

  • S56.821

    Laceration of other muscles, fascia and tendons at forearm level, right arm

  • S56.821A

    Laceration of other muscles, fascia and tendons at forearm level, right arm, initial encounter

  • S56.821D

    Laceration of other muscles, fascia and tendons at forearm level, right arm, subsequent encounter

  • S56.821S

    Laceration of other muscles, fascia and tendons at forearm level, right arm, sequela

  • S56.822

    Laceration of other muscles, fascia and tendons at forearm level, left arm

  • S56.822A

    Laceration of other muscles, fascia and tendons at forearm level, left arm, initial encounter

  • S56.822D

    Laceration of other muscles, fascia and tendons at forearm level, left arm, subsequent encounter

  • S56.822S

    Laceration of other muscles, fascia and tendons at forearm level, left arm, sequela

  • S56.829

    Laceration of other muscles, fascia and tendons at forearm level, unspecified arm

  • S56.829A

    Laceration of other muscles, fascia and tendons at forearm level, unspecified arm, initial encounter

  • S56.829D

    Laceration of other muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter

  • S56.829S

    Laceration of other muscles, fascia and tendons at forearm level, unspecified arm, sequela

  • S56.89

    Other injury of other muscles, fascia and tendons at forearm level

  • S56.891

    Other injury of other muscles, fascia and tendons at forearm level, right arm

  • S56.891A

    Other injury of other muscles, fascia and tendons at forearm level, right arm, initial encounter

  • S56.891D

    Other injury of other muscles, fascia and tendons at forearm level, right arm, subsequent encounter

  • S56.891S

    Other injury of other muscles, fascia and tendons at forearm level, right arm, sequela

  • S56.892

    Other injury of other muscles, fascia and tendons at forearm level, left arm

  • S56.892A

    Other injury of other muscles, fascia and tendons at forearm level, left arm, initial encounter

  • S56.892D

    Other injury of other muscles, fascia and tendons at forearm level, left arm, subsequent encounter

  • S56.892S

    Other injury of other muscles, fascia and tendons at forearm level, left arm, sequela

  • S56.899

    Other injury of other muscles, fascia and tendons at forearm level, unspecified arm

  • S56.899A

    Other injury of other muscles, fascia and tendons at forearm level, unspecified arm, initial encounter

  • S56.899D

    Other injury of other muscles, fascia and tendons at forearm level, unspecified arm, subsequent encounter

  • S56.899S

    Other injury of other muscles, fascia and tendons at forearm level, unspecified arm, sequela

  • S56.9

    Injury of unspecified muscles, fascia and tendons at forearm level

  • S56.90

    Unspecified injury of unspecified muscles, fascia and tendons at forearm level

  • S56.901

    Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm

  • S56.901A

    Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, initial encounter

  • S56.901D

    Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, subsequent encounter

  • S56.901S

    Unspecified injury of unspecified muscles, fascia and tendons at forearm level, right arm, sequela

  • S56.902

    Unspecified injury of unspecified muscles, fascia and tendons at forearm level, left arm

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