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
  • S52.399N

    Other fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.399P

    Other fracture of shaft of radius, unspecified arm, subsequent encounter for closed fracture with malunion

  • S52.399Q

    Other fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type I or II with malunion

  • S52.399R

    Other fracture of shaft of radius, unspecified arm, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.399S

    Other fracture of shaft of radius, unspecified arm, sequela

  • S52.5

    Fracture of lower end of radius

  • S52.50

    Unspecified fracture of the lower end of radius

  • S52.501

    Unspecified fracture of the lower end of right radius

  • S52.501A

    Unspecified fracture of the lower end of right radius, initial encounter for closed fracture

  • S52.501B

    Unspecified fracture of the lower end of right radius, initial encounter for open fracture type I or II

  • S52.501C

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

  • S52.501D

    Unspecified fracture of the lower end of right radius, subsequent encounter for closed fracture with routine healing

  • S52.501E

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

  • S52.501F

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

  • S52.501G

    Unspecified fracture of the lower end of right radius, subsequent encounter for closed fracture with delayed healing

  • S52.501H

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

  • S52.501J

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

  • S52.501K

    Unspecified fracture of the lower end of right radius, subsequent encounter for closed fracture with nonunion

  • S52.501M

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

  • S52.501N

    Unspecified fracture of the lower end of right radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.501P

    Unspecified fracture of the lower end of right radius, subsequent encounter for closed fracture with malunion

  • S52.501Q

    Unspecified fracture of the lower end of right radius, subsequent encounter for open fracture type I or II with malunion

  • S52.501R

    Unspecified fracture of the lower end of right radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.501S

    Unspecified fracture of the lower end of right radius, sequela

  • S52.502

    Unspecified fracture of the lower end of left radius

  • S52.502A

    Unspecified fracture of the lower end of left radius, initial encounter for closed fracture

  • S52.502B

    Unspecified fracture of the lower end of left radius, initial encounter for open fracture type I or II

  • S52.502C

    Unspecified fracture of the lower end of left radius, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.502D

    Unspecified fracture of the lower end of left radius, subsequent encounter for closed fracture with routine healing

  • S52.502E

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type I or II with routine healing

  • S52.502F

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.502G

    Unspecified fracture of the lower end of left radius, subsequent encounter for closed fracture with delayed healing

  • S52.502H

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type I or II with delayed healing

  • S52.502J

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.502K

    Unspecified fracture of the lower end of left radius, subsequent encounter for closed fracture with nonunion

  • S52.502M

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type I or II with nonunion

  • S52.502N

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.502P

    Unspecified fracture of the lower end of left radius, subsequent encounter for closed fracture with malunion

  • S52.502Q

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type I or II with malunion

  • S52.502R

    Unspecified fracture of the lower end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.502S

    Unspecified fracture of the lower end of left radius, sequela

  • S52.509

    Unspecified fracture of the lower end of unspecified radius

  • S52.509A

    Unspecified fracture of the lower end of unspecified radius, initial encounter for closed fracture

  • S52.509B

    Unspecified fracture of the lower end of unspecified radius, initial encounter for open fracture type I or II

  • S52.509C

    Unspecified fracture of the lower end of unspecified radius, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S52.509D

    Unspecified fracture of the lower end of unspecified radius, subsequent encounter for closed fracture with routine healing

  • S52.509E

    Unspecified fracture of the lower end of unspecified radius, subsequent encounter for open fracture type I or II with routine healing

  • S52.509F

    Unspecified fracture of the lower end of unspecified radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S52.509G

    Unspecified fracture of the lower end of unspecified radius, subsequent encounter for closed fracture with delayed healing

  • S52.509H

    Unspecified fracture of the lower end of unspecified radius, subsequent encounter for open fracture type I or II with delayed healing

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