All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • S55.909A—

    Unspecified injury of unspecified blood vessel at forearm level, unspecified arm, initial encounter

  • S55.909D—

    Unspecified injury of unspecified blood vessel at forearm level, unspecified arm, subsequent encounter

  • S55.909S—

    Unspecified injury of unspecified blood vessel at forearm level, unspecified arm, sequela

  • S55.91—

    Laceration of unspecified blood vessel at forearm level

  • S55.911—

    Laceration of unspecified blood vessel at forearm level, right arm

  • S55.911A—

    Laceration of unspecified blood vessel at forearm level, right arm, initial encounter

  • S55.911D—

    Laceration of unspecified blood vessel at forearm level, right arm, subsequent encounter

  • S55.911S—

    Laceration of unspecified blood vessel at forearm level, right arm, sequela

  • S55.912—

    Laceration of unspecified blood vessel at forearm level, left arm

  • S55.912A—

    Laceration of unspecified blood vessel at forearm level, left arm, initial encounter

  • S55.912D—

    Laceration of unspecified blood vessel at forearm level, left arm, subsequent encounter

  • S55.912S—

    Laceration of unspecified blood vessel at forearm level, left arm, sequela

  • S55.919—

    Laceration of unspecified blood vessel at forearm level, unspecified arm

  • S55.919A—

    Laceration of unspecified blood vessel at forearm level, unspecified arm, initial encounter

  • S55.919D—

    Laceration of unspecified blood vessel at forearm level, unspecified arm, subsequent encounter

  • S55.919S—

    Laceration of unspecified blood vessel at forearm level, unspecified arm, sequela

  • S55.99—

    Other specified injury of unspecified blood vessel at forearm level

  • S55.991—

    Other specified injury of unspecified blood vessel at forearm level, right arm

  • S55.991A—

    Other specified injury of unspecified blood vessel at forearm level, right arm, initial encounter

  • S55.991D—

    Other specified injury of unspecified blood vessel at forearm level, right arm, subsequent encounter

  • S55.991S—

    Other specified injury of unspecified blood vessel at forearm level, right arm, sequela

  • S55.992—

    Other specified injury of unspecified blood vessel at forearm level, left arm

  • S55.992A—

    Other specified injury of unspecified blood vessel at forearm level, left arm, initial encounter

  • S55.992D—

    Other specified injury of unspecified blood vessel at forearm level, left arm, subsequent encounter

  • S55.992S—

    Other specified injury of unspecified blood vessel at forearm level, left arm, sequela

  • S55.999—

    Other specified injury of unspecified blood vessel at forearm level, unspecified arm

  • S55.999A—

    Other specified injury of unspecified blood vessel at forearm level, unspecified arm, initial encounter

  • S55.999D—

    Other specified injury of unspecified blood vessel at forearm level, unspecified arm, subsequent encounter

  • S55.999S—

    Other specified injury of unspecified blood vessel at forearm level, unspecified arm, sequela

  • S56—

    Injury of muscle, fascia and tendon at forearm level

  • S56.0—

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

  • S56.00—

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

  • S56.001—

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

  • S56.001A—

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

  • S56.001D—

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

  • S56.001S—

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

  • S56.002—

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

  • S56.002A—

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

  • S56.002D—

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

  • S56.002S—

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

  • S56.009—

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

  • S56.009A—

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

  • S56.009D—

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

  • S56.009S—

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

  • S56.01—

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

  • S56.011—

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

  • S56.011A—

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

  • S56.011D—

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

  • S56.011S—

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

  • S56.012—

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

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