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
  • S52.266Q

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

  • S52.266R

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

  • S52.266S

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

  • S52.27

    Monteggia's fracture of ulna

  • S52.271

    Monteggia's fracture of right ulna

  • S52.271A

    Monteggia's fracture of right ulna, initial encounter for closed fracture

  • S52.271B

    Monteggia's fracture of right ulna, initial encounter for open fracture type I or II

  • S52.271C

    Monteggia's fracture of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.271D

    Monteggia's fracture of right ulna, subsequent encounter for closed fracture with routine healing

  • S52.271E

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type I or II with routine healing

  • S52.271F

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.271G

    Monteggia's fracture of right ulna, subsequent encounter for closed fracture with delayed healing

  • S52.271H

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type I or II with delayed healing

  • S52.271J

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.271K

    Monteggia's fracture of right ulna, subsequent encounter for closed fracture with nonunion

  • S52.271M

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type I or II with nonunion

  • S52.271N

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.271P

    Monteggia's fracture of right ulna, subsequent encounter for closed fracture with malunion

  • S52.271Q

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type I or II with malunion

  • S52.271R

    Monteggia's fracture of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.271S

    Monteggia's fracture of right ulna, sequela

  • S52.272

    Monteggia's fracture of left ulna

  • S52.272A

    Monteggia's fracture of left ulna, initial encounter for closed fracture

  • S52.272B

    Monteggia's fracture of left ulna, initial encounter for open fracture type I or II

  • S52.272C

    Monteggia's fracture of left ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.272D

    Monteggia's fracture of left ulna, subsequent encounter for closed fracture with routine healing

  • S52.272E

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type I or II with routine healing

  • S52.272F

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.272G

    Monteggia's fracture of left ulna, subsequent encounter for closed fracture with delayed healing

  • S52.272H

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type I or II with delayed healing

  • S52.272J

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.272K

    Monteggia's fracture of left ulna, subsequent encounter for closed fracture with nonunion

  • S52.272M

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type I or II with nonunion

  • S52.272N

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.272P

    Monteggia's fracture of left ulna, subsequent encounter for closed fracture with malunion

  • S52.272Q

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type I or II with malunion

  • S52.272R

    Monteggia's fracture of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.272S

    Monteggia's fracture of left ulna, sequela

  • S52.279

    Monteggia's fracture of unspecified ulna

  • S52.279A

    Monteggia's fracture of unspecified ulna, initial encounter for closed fracture

  • S52.279B

    Monteggia's fracture of unspecified ulna, initial encounter for open fracture type I or II

  • S52.279C

    Monteggia's fracture of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.279D

    Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with routine healing

  • S52.279E

    Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with routine healing

  • S52.279F

    Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.279G

    Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with delayed healing

  • S52.279H

    Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healing

  • S52.279J

    Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.279K

    Monteggia's fracture of unspecified ulna, subsequent encounter for closed fracture with nonunion

  • S52.279M

    Monteggia's fracture of unspecified ulna, subsequent encounter for open fracture type I or II with nonunion

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