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
  • S52.254A

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

  • S52.254B

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

  • S52.254C

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

  • S52.254D

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

  • S52.254E

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

  • S52.254F

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

  • S52.254G

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

  • S52.254H

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

  • S52.254J

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

  • S52.254K

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

  • S52.254M

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

  • S52.254N

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

  • S52.254P

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

  • S52.254Q

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

  • S52.254R

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

  • S52.254S

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

  • S52.255

    Nondisplaced comminuted fracture of shaft of ulna, left arm

  • S52.255A

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

  • S52.255B

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

  • S52.255C

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

  • S52.255D

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

  • S52.255E

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

  • S52.255F

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

  • S52.255G

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

  • S52.255H

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

  • S52.255J

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

  • S52.255K

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

  • S52.255M

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

  • S52.255N

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

  • S52.255P

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

  • S52.255Q

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

  • S52.255R

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

  • S52.255S

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

  • S52.256

    Nondisplaced comminuted fracture of shaft of ulna, unspecified arm

  • S52.256A

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

  • S52.256B

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

  • S52.256C

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

  • S52.256D

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

  • S52.256E

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

  • S52.256F

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

  • S52.256G

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

  • S52.256H

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

  • S52.256J

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

  • S52.256K

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

  • S52.256M

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

  • S52.256N

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

  • S52.256P

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

  • S52.256Q

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

  • S52.256R

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

  • S52.256S

    Nondisplaced comminuted fracture of shaft of ulna, unspecified arm, sequela

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