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
  • S31.001A

    Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, initial encounter

  • S31.001D

    Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, subsequent encounter

  • S31.001S

    Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, sequela

  • S31.01

    Laceration without foreign body of lower back and pelvis

  • S31.010

    Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum

  • S31.010A

    Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter

  • S31.010D

    Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter

  • S31.010S

    Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, sequela

  • S31.011

    Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum

  • S31.011A

    Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter

  • S31.011D

    Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter

  • S31.011S

    Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, sequela

  • S31.02

    Laceration with foreign body of lower back and pelvis

  • S31.020

    Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum

  • S31.020A

    Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter

  • S31.020D

    Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter

  • S31.020S

    Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, sequela

  • S31.021

    Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum

  • S31.021A

    Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter

  • S31.021D

    Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter

  • S31.021S

    Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, sequela

  • S31.03

    Puncture wound without foreign body of lower back and pelvis

  • S31.030

    Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum

  • S31.030A

    Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter

  • S31.030D

    Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter

  • S31.030S

    Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, sequela

  • S31.031

    Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum

  • S31.031A

    Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter

  • S31.031D

    Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter

  • S31.031S

    Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, sequela

  • S31.04

    Puncture wound with foreign body of lower back and pelvis

  • S31.040

    Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum

  • S31.040A

    Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter

  • S31.040D

    Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter

  • S31.040S

    Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, sequela

  • S31.041

    Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum

  • S31.041A

    Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter

  • S31.041D

    Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter

  • S31.041S

    Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, sequela

  • S31.05

    Open bite of lower back and pelvis

  • S31.050

    Open bite of lower back and pelvis without penetration into retroperitoneum

  • S31.050A

    Open bite of lower back and pelvis without penetration into retroperitoneum, initial encounter

  • S31.050D

    Open bite of lower back and pelvis without penetration into retroperitoneum, subsequent encounter

  • S31.050S

    Open bite of lower back and pelvis without penetration into retroperitoneum, sequela

  • S31.051

    Open bite of lower back and pelvis with penetration into retroperitoneum

  • S31.051A

    Open bite of lower back and pelvis with penetration into retroperitoneum, initial encounter

  • S31.051D

    Open bite of lower back and pelvis with penetration into retroperitoneum, subsequent encounter

  • S31.051S

    Open bite of lower back and pelvis with penetration into retroperitoneum, sequela

  • S31.1

    Open wound of abdominal wall without penetration into peritoneal cavity

  • S31.10

    Unspecified open wound of abdominal wall without penetration into peritoneal cavity

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