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
  • S36.43

    Laceration of small intestine

  • S36.430

    Laceration of duodenum

  • S36.430A

    Laceration of duodenum, initial encounter

  • S36.430D

    Laceration of duodenum, subsequent encounter

  • S36.430S

    Laceration of duodenum, sequela

  • S36.438

    Laceration of other part of small intestine

  • S36.438A

    Laceration of other part of small intestine, initial encounter

  • S36.438D

    Laceration of other part of small intestine, subsequent encounter

  • S36.438S

    Laceration of other part of small intestine, sequela

  • S36.439

    Laceration of unspecified part of small intestine

  • S36.439A

    Laceration of unspecified part of small intestine, initial encounter

  • S36.439D

    Laceration of unspecified part of small intestine, subsequent encounter

  • S36.439S

    Laceration of unspecified part of small intestine, sequela

  • S36.49

    Other injury of small intestine

  • S36.490

    Other injury of duodenum

  • S36.490A

    Other injury of duodenum, initial encounter

  • S36.490D

    Other injury of duodenum, subsequent encounter

  • S36.490S

    Other injury of duodenum, sequela

  • S36.498

    Other injury of other part of small intestine

  • S36.498A

    Other injury of other part of small intestine, initial encounter

  • S36.498D

    Other injury of other part of small intestine, subsequent encounter

  • S36.498S

    Other injury of other part of small intestine, sequela

  • S36.499

    Other injury of unspecified part of small intestine

  • S36.499A

    Other injury of unspecified part of small intestine, initial encounter

  • S36.499D

    Other injury of unspecified part of small intestine, subsequent encounter

  • S36.499S

    Other injury of unspecified part of small intestine, sequela

  • S36.5

    Injury of colon

  • S36.50

    Unspecified injury of colon

  • S36.500

    Unspecified injury of ascending [right] colon

  • S36.500A

    Unspecified injury of ascending [right] colon, initial encounter

  • S36.500D

    Unspecified injury of ascending [right] colon, subsequent encounter

  • S36.500S

    Unspecified injury of ascending [right] colon, sequela

  • S36.501

    Unspecified injury of transverse colon

  • S36.501A

    Unspecified injury of transverse colon, initial encounter

  • S36.501D

    Unspecified injury of transverse colon, subsequent encounter

  • S36.501S

    Unspecified injury of transverse colon, sequela

  • S36.502

    Unspecified injury of descending [left] colon

  • S36.502A

    Unspecified injury of descending [left] colon, initial encounter

  • S36.502D

    Unspecified injury of descending [left] colon, subsequent encounter

  • S36.502S

    Unspecified injury of descending [left] colon, sequela

  • S36.503

    Unspecified injury of sigmoid colon

  • S36.503A

    Unspecified injury of sigmoid colon, initial encounter

  • S36.503D

    Unspecified injury of sigmoid colon, subsequent encounter

  • S36.503S

    Unspecified injury of sigmoid colon, sequela

  • S36.508

    Unspecified injury of other part of colon

  • S36.508A

    Unspecified injury of other part of colon, initial encounter

  • S36.508D

    Unspecified injury of other part of colon, subsequent encounter

  • S36.508S

    Unspecified injury of other part of colon, sequela

  • S36.509

    Unspecified injury of unspecified part of colon

  • S36.509A

    Unspecified injury of unspecified part of colon, initial encounter

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