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
  • S52.263R

    Displaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.263S

    Displaced segmental fracture of shaft of ulna, unspecified arm, sequela

  • S52.264

    Nondisplaced segmental fracture of shaft of ulna, right arm

  • S52.264A

    Nondisplaced segmental fracture of shaft of ulna, right arm, initial encounter for closed fracture

  • S52.264B

    Nondisplaced segmental fracture of shaft of ulna, right arm, initial encounter for open fracture type I or II

  • S52.264C

    Nondisplaced segmental fracture of shaft of ulna, right arm, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.264D

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for closed fracture with routine healing

  • S52.264E

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type I or II with routine healing

  • S52.264F

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.264G

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for closed fracture with delayed healing

  • S52.264H

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type I or II with delayed healing

  • S52.264J

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.264K

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for closed fracture with nonunion

  • S52.264M

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type I or II with nonunion

  • S52.264N

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.264P

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for closed fracture with malunion

  • S52.264Q

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type I or II with malunion

  • S52.264R

    Nondisplaced segmental fracture of shaft of ulna, right arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.264S

    Nondisplaced segmental fracture of shaft of ulna, right arm, sequela

  • S52.265

    Nondisplaced segmental fracture of shaft of ulna, left arm

  • S52.265A

    Nondisplaced segmental fracture of shaft of ulna, left arm, initial encounter for closed fracture

  • S52.265B

    Nondisplaced segmental fracture of shaft of ulna, left arm, initial encounter for open fracture type I or II

  • S52.265C

    Nondisplaced segmental fracture of shaft of ulna, left arm, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.265D

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for closed fracture with routine healing

  • S52.265E

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type I or II with routine healing

  • S52.265F

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.265G

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for closed fracture with delayed healing

  • S52.265H

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type I or II with delayed healing

  • S52.265J

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.265K

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for closed fracture with nonunion

  • S52.265M

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type I or II with nonunion

  • S52.265N

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.265P

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for closed fracture with malunion

  • S52.265Q

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type I or II with malunion

  • S52.265R

    Nondisplaced segmental fracture of shaft of ulna, left arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.265S

    Nondisplaced segmental fracture of shaft of ulna, left arm, sequela

  • S52.266

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm

  • S52.266A

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, initial encounter for closed fracture

  • S52.266B

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, initial encounter for open fracture type I or II

  • S52.266C

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.266D

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with routine healing

  • S52.266E

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with routine healing

  • S52.266F

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.266G

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with delayed healing

  • S52.266H

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with delayed healing

  • S52.266J

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.266K

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with nonunion

  • S52.266M

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with nonunion

  • S52.266N

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.266P

    Nondisplaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for closed fracture with malunion

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