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
  • S56.416S

    Strain of extensor muscle, fascia and tendon of left ring finger at forearm level, sequela

  • S56.417

    Strain of extensor muscle, fascia and tendon of right little finger at forearm level

  • S56.417A

    Strain of extensor muscle, fascia and tendon of right little finger at forearm level, initial encounter

  • S56.417D

    Strain of extensor muscle, fascia and tendon of right little finger at forearm level, subsequent encounter

  • S56.417S

    Strain of extensor muscle, fascia and tendon of right little finger at forearm level, sequela

  • S56.418

    Strain of extensor muscle, fascia and tendon of left little finger at forearm level

  • S56.418A

    Strain of extensor muscle, fascia and tendon of left little finger at forearm level, initial encounter

  • S56.418D

    Strain of extensor muscle, fascia and tendon of left little finger at forearm level, subsequent encounter

  • S56.418S

    Strain of extensor muscle, fascia and tendon of left little finger at forearm level, sequela

  • S56.419

    Strain of extensor muscle, fascia and tendon of finger, unspecified finger at forearm level

  • S56.419A

    Strain of extensor muscle, fascia and tendon of finger, unspecified finger at forearm level, initial encounter

  • S56.419D

    Strain of extensor muscle, fascia and tendon of finger, unspecified finger at forearm level, subsequent encounter

  • S56.419S

    Strain of extensor muscle, fascia and tendon of finger, unspecified finger at forearm level, sequela

  • S56.42

    Laceration of extensor muscle, fascia and tendon of other and unspecified finger at forearm level

  • S56.421

    Laceration of extensor muscle, fascia and tendon of right index finger at forearm level

  • S56.421A

    Laceration of extensor muscle, fascia and tendon of right index finger at forearm level, initial encounter

  • S56.421D

    Laceration of extensor muscle, fascia and tendon of right index finger at forearm level, subsequent encounter

  • S56.421S

    Laceration of extensor muscle, fascia and tendon of right index finger at forearm level, sequela

  • S56.422

    Laceration of extensor muscle, fascia and tendon of left index finger at forearm level

  • S56.422A

    Laceration of extensor muscle, fascia and tendon of left index finger at forearm level, initial encounter

  • S56.422D

    Laceration of extensor muscle, fascia and tendon of left index finger at forearm level, subsequent encounter

  • S56.422S

    Laceration of extensor muscle, fascia and tendon of left index finger at forearm level, sequela

  • S56.423

    Laceration of extensor muscle, fascia and tendon of right middle finger at forearm level

  • S56.423A

    Laceration of extensor muscle, fascia and tendon of right middle finger at forearm level, initial encounter

  • S56.423D

    Laceration of extensor muscle, fascia and tendon of right middle finger at forearm level, subsequent encounter

  • S56.423S

    Laceration of extensor muscle, fascia and tendon of right middle finger at forearm level, sequela

  • S56.424

    Laceration of extensor muscle, fascia and tendon of left middle finger at forearm level

  • S56.424A

    Laceration of extensor muscle, fascia and tendon of left middle finger at forearm level, initial encounter

  • S56.424D

    Laceration of extensor muscle, fascia and tendon of left middle finger at forearm level, subsequent encounter

  • S56.424S

    Laceration of extensor muscle, fascia and tendon of left middle finger at forearm level, sequela

  • S56.425

    Laceration of extensor muscle, fascia and tendon of right ring finger at forearm level

  • S56.425A

    Laceration of extensor muscle, fascia and tendon of right ring finger at forearm level, initial encounter

  • S56.425D

    Laceration of extensor muscle, fascia and tendon of right ring finger at forearm level, subsequent encounter

  • S56.425S

    Laceration of extensor muscle, fascia and tendon of right ring finger at forearm level, sequela

  • S56.426

    Laceration of extensor muscle, fascia and tendon of left ring finger at forearm level

  • S56.426A

    Laceration of extensor muscle, fascia and tendon of left ring finger at forearm level, initial encounter

  • S56.426D

    Laceration of extensor muscle, fascia and tendon of left ring finger at forearm level, subsequent encounter

  • S56.426S

    Laceration of extensor muscle, fascia and tendon of left ring finger at forearm level, sequela

  • S56.427

    Laceration of extensor muscle, fascia and tendon of right little finger at forearm level

  • S56.427A

    Laceration of extensor muscle, fascia and tendon of right little finger at forearm level, initial encounter

  • S56.427D

    Laceration of extensor muscle, fascia and tendon of right little finger at forearm level, subsequent encounter

  • S56.427S

    Laceration of extensor muscle, fascia and tendon of right little finger at forearm level, sequela

  • S56.428

    Laceration of extensor muscle, fascia and tendon of left little finger at forearm level

  • S56.428A

    Laceration of extensor muscle, fascia and tendon of left little finger at forearm level, initial encounter

  • S56.428D

    Laceration of extensor muscle, fascia and tendon of left little finger at forearm level, subsequent encounter

  • S56.428S

    Laceration of extensor muscle, fascia and tendon of left little finger at forearm level, sequela

  • S56.429

    Laceration of extensor muscle, fascia and tendon of unspecified finger at forearm level

  • S56.429A

    Laceration of extensor muscle, fascia and tendon of unspecified finger at forearm level, initial encounter

  • S56.429D

    Laceration of extensor muscle, fascia and tendon of unspecified finger at forearm level, subsequent encounter

  • S56.429S

    Laceration of extensor muscle, fascia and tendon of unspecified finger at forearm level, sequela

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