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
  • S52.279N

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

  • S52.279P

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

  • S52.279Q

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

  • S52.279R

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

  • S52.279S

    Monteggia's fracture of unspecified ulna, sequela

  • S52.28

    Bent bone of ulna

  • S52.281

    Bent bone of right ulna

  • S52.281A

    Bent bone of right ulna, initial encounter for closed fracture

  • S52.281B

    Bent bone of right ulna, initial encounter for open fracture type I or II

  • S52.281C

    Bent bone of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.281D

    Bent bone of right ulna, subsequent encounter for closed fracture with routine healing

  • S52.281E

    Bent bone of right ulna, subsequent encounter for open fracture type I or II with routine healing

  • S52.281F

    Bent bone of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.281G

    Bent bone of right ulna, subsequent encounter for closed fracture with delayed healing

  • S52.281H

    Bent bone of right ulna, subsequent encounter for open fracture type I or II with delayed healing

  • S52.281J

    Bent bone of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.281K

    Bent bone of right ulna, subsequent encounter for closed fracture with nonunion

  • S52.281M

    Bent bone of right ulna, subsequent encounter for open fracture type I or II with nonunion

  • S52.281N

    Bent bone of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.281P

    Bent bone of right ulna, subsequent encounter for closed fracture with malunion

  • S52.281Q

    Bent bone of right ulna, subsequent encounter for open fracture type I or II with malunion

  • S52.281R

    Bent bone of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.281S

    Bent bone of right ulna, sequela

  • S52.282

    Bent bone of left ulna

  • S52.282A

    Bent bone of left ulna, initial encounter for closed fracture

  • S52.282B

    Bent bone of left ulna, initial encounter for open fracture type I or II

  • S52.282C

    Bent bone of left ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.282D

    Bent bone of left ulna, subsequent encounter for closed fracture with routine healing

  • S52.282E

    Bent bone of left ulna, subsequent encounter for open fracture type I or II with routine healing

  • S52.282F

    Bent bone of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.282G

    Bent bone of left ulna, subsequent encounter for closed fracture with delayed healing

  • S52.282H

    Bent bone of left ulna, subsequent encounter for open fracture type I or II with delayed healing

  • S52.282J

    Bent bone of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.282K

    Bent bone of left ulna, subsequent encounter for closed fracture with nonunion

  • S52.282M

    Bent bone of left ulna, subsequent encounter for open fracture type I or II with nonunion

  • S52.282N

    Bent bone of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.282P

    Bent bone of left ulna, subsequent encounter for closed fracture with malunion

  • S52.282Q

    Bent bone of left ulna, subsequent encounter for open fracture type I or II with malunion

  • S52.282R

    Bent bone of left ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.282S

    Bent bone of left ulna, sequela

  • S52.283

    Bent bone of unspecified ulna

  • S52.283A

    Bent bone of unspecified ulna, initial encounter for closed fracture

  • S52.283B

    Bent bone of unspecified ulna, initial encounter for open fracture type I or II

  • S52.283C

    Bent bone of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.283D

    Bent bone of unspecified ulna, subsequent encounter for closed fracture with routine healing

  • S52.283E

    Bent bone of unspecified ulna, subsequent encounter for open fracture type I or II with routine healing

  • S52.283F

    Bent bone of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.283G

    Bent bone of unspecified ulna, subsequent encounter for closed fracture with delayed healing

  • S52.283H

    Bent bone of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healing

  • S52.283J

    Bent bone of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

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