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
  • S56.403D

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

  • S56.403S

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

  • S56.404

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

  • S56.404A

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

  • S56.404D

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

  • S56.404S

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

  • S56.405

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

  • S56.405A

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

  • S56.405D

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

  • S56.405S

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

  • S56.406

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

  • S56.406A

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

  • S56.406D

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

  • S56.406S

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

  • S56.407

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

  • S56.407A

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

  • S56.407D

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

  • S56.407S

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

  • S56.408

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

  • S56.408A

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

  • S56.408D

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

  • S56.408S

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

  • S56.409

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

  • S56.409A

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

  • S56.409D

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

  • S56.409S

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

  • S56.41

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

  • S56.411

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

  • S56.411A

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

  • S56.411D

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

  • S56.411S

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

  • S56.412

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

  • S56.412A

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

  • S56.412D

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

  • S56.412S

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

  • S56.413

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

  • S56.413A

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

  • S56.413D

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

  • S56.413S

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

  • S56.414

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

  • S56.414A

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

  • S56.414D

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

  • S56.414S

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

  • S56.415

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

  • S56.415A

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

  • S56.415D

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

  • S56.415S

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

  • S56.416

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

  • S56.416A

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

  • S56.416D

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

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