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
  • S36.509D

    Unspecified injury of unspecified part of colon, subsequent encounter

  • S36.509S

    Unspecified injury of unspecified part of colon, sequela

  • S36.51

    Primary blast injury of colon

  • S36.510

    Primary blast injury of ascending [right] colon

  • S36.510A

    Primary blast injury of ascending [right] colon, initial encounter

  • S36.510D

    Primary blast injury of ascending [right] colon, subsequent encounter

  • S36.510S

    Primary blast injury of ascending [right] colon, sequela

  • S36.511

    Primary blast injury of transverse colon

  • S36.511A

    Primary blast injury of transverse colon, initial encounter

  • S36.511D

    Primary blast injury of transverse colon, subsequent encounter

  • S36.511S

    Primary blast injury of transverse colon, sequela

  • S36.512

    Primary blast injury of descending [left] colon

  • S36.512A

    Primary blast injury of descending [left] colon, initial encounter

  • S36.512D

    Primary blast injury of descending [left] colon, subsequent encounter

  • S36.512S

    Primary blast injury of descending [left] colon, sequela

  • S36.513

    Primary blast injury of sigmoid colon

  • S36.513A

    Primary blast injury of sigmoid colon, initial encounter

  • S36.513D

    Primary blast injury of sigmoid colon, subsequent encounter

  • S36.513S

    Primary blast injury of sigmoid colon, sequela

  • S36.518

    Primary blast injury of other part of colon

  • S36.518A

    Primary blast injury of other part of colon, initial encounter

  • S36.518D

    Primary blast injury of other part of colon, subsequent encounter

  • S36.518S

    Primary blast injury of other part of colon, sequela

  • S36.519

    Primary blast injury of unspecified part of colon

  • S36.519A

    Primary blast injury of unspecified part of colon, initial encounter

  • S36.519D

    Primary blast injury of unspecified part of colon, subsequent encounter

  • S36.519S

    Primary blast injury of unspecified part of colon, sequela

  • S36.52

    Contusion of colon

  • S36.520

    Contusion of ascending [right] colon

  • S36.520A

    Contusion of ascending [right] colon, initial encounter

  • S36.520D

    Contusion of ascending [right] colon, subsequent encounter

  • S36.520S

    Contusion of ascending [right] colon, sequela

  • S36.521

    Contusion of transverse colon

  • S36.521A

    Contusion of transverse colon, initial encounter

  • S36.521D

    Contusion of transverse colon, subsequent encounter

  • S36.521S

    Contusion of transverse colon, sequela

  • S36.522

    Contusion of descending [left] colon

  • S36.522A

    Contusion of descending [left] colon, initial encounter

  • S36.522D

    Contusion of descending [left] colon, subsequent encounter

  • S36.522S

    Contusion of descending [left] colon, sequela

  • S36.523

    Contusion of sigmoid colon

  • S36.523A

    Contusion of sigmoid colon, initial encounter

  • S36.523D

    Contusion of sigmoid colon, subsequent encounter

  • S36.523S

    Contusion of sigmoid colon, sequela

  • S36.528

    Contusion of other part of colon

  • S36.528A

    Contusion of other part of colon, initial encounter

  • S36.528D

    Contusion of other part of colon, subsequent encounter

  • S36.528S

    Contusion of other part of colon, sequela

  • S36.529

    Contusion of unspecified part of colon

  • S36.529A

    Contusion of unspecified part of colon, initial encounter

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