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
  • S56.012A

    Strain of flexor muscle, fascia and tendon of left thumb at forearm level, initial encounter

  • S56.012D

    Strain of flexor muscle, fascia and tendon of left thumb at forearm level, subsequent encounter

  • S56.012S

    Strain of flexor muscle, fascia and tendon of left thumb at forearm level, sequela

  • S56.019

    Strain of flexor muscle, fascia and tendon of unspecified thumb at forearm level

  • S56.019A

    Strain of flexor muscle, fascia and tendon of unspecified thumb at forearm level, initial encounter

  • S56.019D

    Strain of flexor muscle, fascia and tendon of unspecified thumb at forearm level, subsequent encounter

  • S56.019S

    Strain of flexor muscle, fascia and tendon of unspecified thumb at forearm level, sequela

  • S56.02

    Laceration of flexor muscle, fascia and tendon of thumb at forearm level

  • S56.021

    Laceration of flexor muscle, fascia and tendon of right thumb at forearm level

  • S56.021A

    Laceration of flexor muscle, fascia and tendon of right thumb at forearm level, initial encounter

  • S56.021D

    Laceration of flexor muscle, fascia and tendon of right thumb at forearm level, subsequent encounter

  • S56.021S

    Laceration of flexor muscle, fascia and tendon of right thumb at forearm level, sequela

  • S56.022

    Laceration of flexor muscle, fascia and tendon of left thumb at forearm level

  • S56.022A

    Laceration of flexor muscle, fascia and tendon of left thumb at forearm level, initial encounter

  • S56.022D

    Laceration of flexor muscle, fascia and tendon of left thumb at forearm level, subsequent encounter

  • S56.022S

    Laceration of flexor muscle, fascia and tendon of left thumb at forearm level, sequela

  • S56.029

    Laceration of flexor muscle, fascia and tendon of unspecified thumb at forearm level

  • S56.029A

    Laceration of flexor muscle, fascia and tendon of unspecified thumb at forearm level, initial encounter

  • S56.029D

    Laceration of flexor muscle, fascia and tendon of unspecified thumb at forearm level, subsequent encounter

  • S56.029S

    Laceration of flexor muscle, fascia and tendon of unspecified thumb at forearm level, sequela

  • S56.09

    Other injury of flexor muscle, fascia and tendon of thumb at forearm level

  • S56.091

    Other injury of flexor muscle, fascia and tendon of right thumb at forearm level

  • S56.091A

    Other injury of flexor muscle, fascia and tendon of right thumb at forearm level, initial encounter

  • S56.091D

    Other injury of flexor muscle, fascia and tendon of right thumb at forearm level, subsequent encounter

  • S56.091S

    Other injury of flexor muscle, fascia and tendon of right thumb at forearm level, sequela

  • S56.092

    Other injury of flexor muscle, fascia and tendon of left thumb at forearm level

  • S56.092A

    Other injury of flexor muscle, fascia and tendon of left thumb at forearm level, initial encounter

  • S56.092D

    Other injury of flexor muscle, fascia and tendon of left thumb at forearm level, subsequent encounter

  • S56.092S

    Other injury of flexor muscle, fascia and tendon of left thumb at forearm level, sequela

  • S56.099

    Other injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level

  • S56.099A

    Other injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level, initial encounter

  • S56.099D

    Other injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level, subsequent encounter

  • S56.099S

    Other injury of flexor muscle, fascia and tendon of unspecified thumb at forearm level, sequela

  • S56.1

    Injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level

  • S56.10

    Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level

  • S56.101

    Unspecified injury of flexor muscle, fascia and tendon of right index finger at forearm level

  • S56.101A

    Unspecified injury of flexor muscle, fascia and tendon of right index finger at forearm level, initial encounter

  • S56.101D

    Unspecified injury of flexor muscle, fascia and tendon of right index finger at forearm level, subsequent encounter

  • S56.101S

    Unspecified injury of flexor muscle, fascia and tendon of right index finger at forearm level, sequela

  • S56.102

    Unspecified injury of flexor muscle, fascia and tendon of left index finger at forearm level

  • S56.102A

    Unspecified injury of flexor muscle, fascia and tendon of left index finger at forearm level, initial encounter

  • S56.102D

    Unspecified injury of flexor muscle, fascia and tendon of left index finger at forearm level, subsequent encounter

  • S56.102S

    Unspecified injury of flexor muscle, fascia and tendon of left index finger at forearm level, sequela

  • S56.103

    Unspecified injury of flexor muscle, fascia and tendon of right middle finger at forearm level

  • S56.103A

    Unspecified injury of flexor muscle, fascia and tendon of right middle finger at forearm level, initial encounter

  • S56.103D

    Unspecified injury of flexor muscle, fascia and tendon of right middle finger at forearm level, subsequent encounter

  • S56.103S

    Unspecified injury of flexor muscle, fascia and tendon of right middle finger at forearm level, sequela

  • S56.104

    Unspecified injury of flexor muscle, fascia and tendon of left middle finger at forearm level

  • S56.104A

    Unspecified injury of flexor muscle, fascia and tendon of left middle finger at forearm level, initial encounter

  • S56.104D

    Unspecified injury of flexor muscle, fascia and tendon of left middle finger at forearm level, subsequent encounter

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