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
  • S55.80

    Unspecified injury of other blood vessels at forearm level

  • S55.801

    Unspecified injury of other blood vessels at forearm level, right arm

  • S55.801A

    Unspecified injury of other blood vessels at forearm level, right arm, initial encounter

  • S55.801D

    Unspecified injury of other blood vessels at forearm level, right arm, subsequent encounter

  • S55.801S

    Unspecified injury of other blood vessels at forearm level, right arm, sequela

  • S55.802

    Unspecified injury of other blood vessels at forearm level, left arm

  • S55.802A

    Unspecified injury of other blood vessels at forearm level, left arm, initial encounter

  • S55.802D

    Unspecified injury of other blood vessels at forearm level, left arm, subsequent encounter

  • S55.802S

    Unspecified injury of other blood vessels at forearm level, left arm, sequela

  • S55.809

    Unspecified injury of other blood vessels at forearm level, unspecified arm

  • S55.809A

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

  • S55.809D

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

  • S55.809S

    Unspecified injury of other blood vessels at forearm level, unspecified arm, sequela

  • S55.81

    Laceration of other blood vessels at forearm level

  • S55.811

    Laceration of other blood vessels at forearm level, right arm

  • S55.811A

    Laceration of other blood vessels at forearm level, right arm, initial encounter

  • S55.811D

    Laceration of other blood vessels at forearm level, right arm, subsequent encounter

  • S55.811S

    Laceration of other blood vessels at forearm level, right arm, sequela

  • S55.812

    Laceration of other blood vessels at forearm level, left arm

  • S55.812A

    Laceration of other blood vessels at forearm level, left arm, initial encounter

  • S55.812D

    Laceration of other blood vessels at forearm level, left arm, subsequent encounter

  • S55.812S

    Laceration of other blood vessels at forearm level, left arm, sequela

  • S55.819

    Laceration of other blood vessels at forearm level, unspecified arm

  • S55.819A

    Laceration of other blood vessels at forearm level, unspecified arm, initial encounter

  • S55.819D

    Laceration of other blood vessels at forearm level, unspecified arm, subsequent encounter

  • S55.819S

    Laceration of other blood vessels at forearm level, unspecified arm, sequela

  • S55.89

    Other specified injury of other blood vessels at forearm level

  • S55.891

    Other specified injury of other blood vessels at forearm level, right arm

  • S55.891A

    Other specified injury of other blood vessels at forearm level, right arm, initial encounter

  • S55.891D

    Other specified injury of other blood vessels at forearm level, right arm, subsequent encounter

  • S55.891S

    Other specified injury of other blood vessels at forearm level, right arm, sequela

  • S55.892

    Other specified injury of other blood vessels at forearm level, left arm

  • S55.892A

    Other specified injury of other blood vessels at forearm level, left arm, initial encounter

  • S55.892D

    Other specified injury of other blood vessels at forearm level, left arm, subsequent encounter

  • S55.892S

    Other specified injury of other blood vessels at forearm level, left arm, sequela

  • S55.899

    Other specified injury of other blood vessels at forearm level, unspecified arm

  • S55.899A

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

  • S55.899D

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

  • S55.899S

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

  • S55.9

    Injury of unspecified blood vessel at forearm level

  • S55.90

    Unspecified injury of unspecified blood vessel at forearm level

  • S55.901

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

  • S55.901A

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

  • S55.901D

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

  • S55.901S

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

  • S55.902

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

  • S55.902A

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

  • S55.902D

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

  • S55.902S

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

  • S55.909

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

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