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
  • S44.8X1A

    Injury of other nerves at shoulder and upper arm level, right arm, initial encounter

  • S44.8X1D

    Injury of other nerves at shoulder and upper arm level, right arm, subsequent encounter

  • S44.8X1S

    Injury of other nerves at shoulder and upper arm level, right arm, sequela

  • S44.8X2

    Injury of other nerves at shoulder and upper arm level, left arm

  • S44.8X2A

    Injury of other nerves at shoulder and upper arm level, left arm, initial encounter

  • S44.8X2D

    Injury of other nerves at shoulder and upper arm level, left arm, subsequent encounter

  • S44.8X2S

    Injury of other nerves at shoulder and upper arm level, left arm, sequela

  • S44.8X9

    Injury of other nerves at shoulder and upper arm level, unspecified arm

  • S44.8X9A

    Injury of other nerves at shoulder and upper arm level, unspecified arm, initial encounter

  • S44.8X9D

    Injury of other nerves at shoulder and upper arm level, unspecified arm, subsequent encounter

  • S44.8X9S

    Injury of other nerves at shoulder and upper arm level, unspecified arm, sequela

  • S44.9

    Injury of unspecified nerve at shoulder and upper arm level

  • S44.90

    Injury of unspecified nerve at shoulder and upper arm level, unspecified arm

  • S44.90XA

    Injury of unspecified nerve at shoulder and upper arm level, unspecified arm, initial encounter

  • S44.90XD

    Injury of unspecified nerve at shoulder and upper arm level, unspecified arm, subsequent encounter

  • S44.90XS

    Injury of unspecified nerve at shoulder and upper arm level, unspecified arm, sequela

  • S44.91

    Injury of unspecified nerve at shoulder and upper arm level, right arm

  • S44.91XA

    Injury of unspecified nerve at shoulder and upper arm level, right arm, initial encounter

  • S44.91XD

    Injury of unspecified nerve at shoulder and upper arm level, right arm, subsequent encounter

  • S44.91XS

    Injury of unspecified nerve at shoulder and upper arm level, right arm, sequela

  • S44.92

    Injury of unspecified nerve at shoulder and upper arm level, left arm

  • S44.92XA

    Injury of unspecified nerve at shoulder and upper arm level, left arm, initial encounter

  • S44.92XD

    Injury of unspecified nerve at shoulder and upper arm level, left arm, subsequent encounter

  • S44.92XS

    Injury of unspecified nerve at shoulder and upper arm level, left arm, sequela

  • S45

    Injury of blood vessels at shoulder and upper arm level

  • S45.0

    Injury of axillary artery

  • S45.00

    Unspecified injury of axillary artery

  • S45.001

    Unspecified injury of axillary artery, right side

  • S45.001A

    Unspecified injury of axillary artery, right side, initial encounter

  • S45.001D

    Unspecified injury of axillary artery, right side, subsequent encounter

  • S45.001S

    Unspecified injury of axillary artery, right side, sequela

  • S45.002

    Unspecified injury of axillary artery, left side

  • S45.002A

    Unspecified injury of axillary artery, left side, initial encounter

  • S45.002D

    Unspecified injury of axillary artery, left side, subsequent encounter

  • S45.002S

    Unspecified injury of axillary artery, left side, sequela

  • S45.009

    Unspecified injury of axillary artery, unspecified side

  • S45.009A

    Unspecified injury of axillary artery, unspecified side, initial encounter

  • S45.009D

    Unspecified injury of axillary artery, unspecified side, subsequent encounter

  • S45.009S

    Unspecified injury of axillary artery, unspecified side, sequela

  • S45.01

    Laceration of axillary artery

  • S45.011

    Laceration of axillary artery, right side

  • S45.011A

    Laceration of axillary artery, right side, initial encounter

  • S45.011D

    Laceration of axillary artery, right side, subsequent encounter

  • S45.011S

    Laceration of axillary artery, right side, sequela

  • S45.012

    Laceration of axillary artery, left side

  • S45.012A

    Laceration of axillary artery, left side, initial encounter

  • S45.012D

    Laceration of axillary artery, left side, subsequent encounter

  • S45.012S

    Laceration of axillary artery, left side, sequela

  • S45.019

    Laceration of axillary artery, unspecified side

  • S45.019A

    Laceration of axillary artery, unspecified side, initial encounter

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