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
  • S52.541Q

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

  • S52.541R

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

  • S52.541S

    Smith's fracture of right radius, sequela

  • S52.542

    Smith's fracture of left radius

  • S52.542A

    Smith's fracture of left radius, initial encounter for closed fracture

  • S52.542B

    Smith's fracture of left radius, initial encounter for open fracture type I or II

  • S52.542C

    Smith's fracture of left radius, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.542D

    Smith's fracture of left radius, subsequent encounter for closed fracture with routine healing

  • S52.542E

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

  • S52.542F

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

  • S52.542G

    Smith's fracture of left radius, subsequent encounter for closed fracture with delayed healing

  • S52.542H

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

  • S52.542J

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

  • S52.542K

    Smith's fracture of left radius, subsequent encounter for closed fracture with nonunion

  • S52.542M

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

  • S52.542N

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

  • S52.542P

    Smith's fracture of left radius, subsequent encounter for closed fracture with malunion

  • S52.542Q

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

  • S52.542R

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

  • S52.542S

    Smith's fracture of left radius, sequela

  • S52.549

    Smith's fracture of unspecified radius

  • S52.549A

    Smith's fracture of unspecified radius, initial encounter for closed fracture

  • S52.549B

    Smith's fracture of unspecified radius, initial encounter for open fracture type I or II

  • S52.549C

    Smith's fracture of unspecified radius, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.549D

    Smith's fracture of unspecified radius, subsequent encounter for closed fracture with routine healing

  • S52.549E

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

  • S52.549F

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

  • S52.549G

    Smith's fracture of unspecified radius, subsequent encounter for closed fracture with delayed healing

  • S52.549H

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

  • S52.549J

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

  • S52.549K

    Smith's fracture of unspecified radius, subsequent encounter for closed fracture with nonunion

  • S52.549M

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

  • S52.549N

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

  • S52.549P

    Smith's fracture of unspecified radius, subsequent encounter for closed fracture with malunion

  • S52.549Q

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

  • S52.549R

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

  • S52.549S

    Smith's fracture of unspecified radius, sequela

  • S52.55

    Other extraarticular fracture of lower end of radius

  • S52.551

    Other extraarticular fracture of lower end of right radius

  • S52.551A

    Other extraarticular fracture of lower end of right radius, initial encounter for closed fracture

  • S52.551B

    Other extraarticular fracture of lower end of right radius, initial encounter for open fracture type I or II

  • S52.551C

    Other extraarticular fracture of lower end of right radius, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.551D

    Other extraarticular fracture of lower end of right radius, subsequent encounter for closed fracture with routine healing

  • S52.551E

    Other extraarticular fracture of lower end of right radius, subsequent encounter for open fracture type I or II with routine healing

  • S52.551F

    Other extraarticular fracture of lower end of right radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.551G

    Other extraarticular fracture of lower end of right radius, subsequent encounter for closed fracture with delayed healing

  • S52.551H

    Other extraarticular fracture of lower end of right radius, subsequent encounter for open fracture type I or II with delayed healing

  • S52.551J

    Other extraarticular fracture of lower end of right radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.551K

    Other extraarticular fracture of lower end of right radius, subsequent encounter for closed fracture with nonunion

  • S52.551M

    Other extraarticular fracture of lower end of right radius, subsequent encounter for open fracture type I or II with nonunion

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