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
  • S64.11XD

    Injury of median nerve at wrist and hand level of right arm, subsequent encounter

  • S64.11XS

    Injury of median nerve at wrist and hand level of right arm, sequela

  • S64.12

    Injury of median nerve at wrist and hand level of left arm

  • S64.12XA

    Injury of median nerve at wrist and hand level of left arm, initial encounter

  • S64.12XD

    Injury of median nerve at wrist and hand level of left arm, subsequent encounter

  • S64.12XS

    Injury of median nerve at wrist and hand level of left arm, sequela

  • S64.2

    Injury of radial nerve at wrist and hand level

  • S64.20

    Injury of radial nerve at wrist and hand level of unspecified arm

  • S64.20XA

    Injury of radial nerve at wrist and hand level of unspecified arm, initial encounter

  • S64.20XD

    Injury of radial nerve at wrist and hand level of unspecified arm, subsequent encounter

  • S64.20XS

    Injury of radial nerve at wrist and hand level of unspecified arm, sequela

  • S64.21

    Injury of radial nerve at wrist and hand level of right arm

  • S64.21XA

    Injury of radial nerve at wrist and hand level of right arm, initial encounter

  • S64.21XD

    Injury of radial nerve at wrist and hand level of right arm, subsequent encounter

  • S64.21XS

    Injury of radial nerve at wrist and hand level of right arm, sequela

  • S64.22

    Injury of radial nerve at wrist and hand level of left arm

  • S64.22XA

    Injury of radial nerve at wrist and hand level of left arm, initial encounter

  • S64.22XD

    Injury of radial nerve at wrist and hand level of left arm, subsequent encounter

  • S64.22XS

    Injury of radial nerve at wrist and hand level of left arm, sequela

  • S64.3

    Injury of digital nerve of thumb

  • S64.30

    Injury of digital nerve of unspecified thumb

  • S64.30XA

    Injury of digital nerve of unspecified thumb, initial encounter

  • S64.30XD

    Injury of digital nerve of unspecified thumb, subsequent encounter

  • S64.30XS

    Injury of digital nerve of unspecified thumb, sequela

  • S64.31

    Injury of digital nerve of right thumb

  • S64.31XA

    Injury of digital nerve of right thumb, initial encounter

  • S64.31XD

    Injury of digital nerve of right thumb, subsequent encounter

  • S64.31XS

    Injury of digital nerve of right thumb, sequela

  • S64.32

    Injury of digital nerve of left thumb

  • S64.32XA

    Injury of digital nerve of left thumb, initial encounter

  • S64.32XD

    Injury of digital nerve of left thumb, subsequent encounter

  • S64.32XS

    Injury of digital nerve of left thumb, sequela

  • S64.4

    Injury of digital nerve of other and unspecified finger

  • S64.40

    Injury of digital nerve of unspecified finger

  • S64.40XA

    Injury of digital nerve of unspecified finger, initial encounter

  • S64.40XD

    Injury of digital nerve of unspecified finger, subsequent encounter

  • S64.40XS

    Injury of digital nerve of unspecified finger, sequela

  • S64.49

    Injury of digital nerve of other finger

  • S64.490

    Injury of digital nerve of right index finger

  • S64.490A

    Injury of digital nerve of right index finger, initial encounter

  • S64.490D

    Injury of digital nerve of right index finger, subsequent encounter

  • S64.490S

    Injury of digital nerve of right index finger, sequela

  • S64.491

    Injury of digital nerve of left index finger

  • S64.491A

    Injury of digital nerve of left index finger, initial encounter

  • S64.491D

    Injury of digital nerve of left index finger, subsequent encounter

  • S64.491S

    Injury of digital nerve of left index finger, sequela

  • S64.492

    Injury of digital nerve of right middle finger

  • S64.492A

    Injury of digital nerve of right middle finger, initial encounter

  • S64.492D

    Injury of digital nerve of right middle finger, subsequent encounter

  • S64.492S

    Injury of digital nerve of right middle finger, sequela

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