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
  • S52.601C

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

  • S52.601D

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

  • S52.601E

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

  • S52.601F

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

  • S52.601G

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

  • S52.601H

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

  • S52.601J

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

  • S52.601K

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

  • S52.601M

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

  • S52.601N

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

  • S52.601P

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

  • S52.601Q

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

  • S52.601R

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

  • S52.601S

    Unspecified fracture of lower end of right ulna, sequela

  • S52.602

    Unspecified fracture of lower end of left ulna

  • S52.602A

    Unspecified fracture of lower end of left ulna, initial encounter for closed fracture

  • S52.602B

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

  • S52.602C

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

  • S52.602D

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

  • S52.602E

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

  • S52.602F

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

  • S52.602G

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

  • S52.602H

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

  • S52.602J

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

  • S52.602K

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

  • S52.602M

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

  • S52.602N

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

  • S52.602P

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

  • S52.602Q

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

  • S52.602R

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

  • S52.602S

    Unspecified fracture of lower end of left ulna, sequela

  • S52.609

    Unspecified fracture of lower end of unspecified ulna

  • S52.609A

    Unspecified fracture of lower end of unspecified ulna, initial encounter for closed fracture

  • S52.609B

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

  • S52.609C

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

  • S52.609D

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

  • S52.609E

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

  • S52.609F

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

  • S52.609G

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

  • S52.609H

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

  • S52.609J

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S52.609K

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for closed fracture with nonunion

  • S52.609M

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for open fracture type I or II with nonunion

  • S52.609N

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S52.609P

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for closed fracture with malunion

  • S52.609Q

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for open fracture type I or II with malunion

  • S52.609R

    Unspecified fracture of lower end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S52.609S

    Unspecified fracture of lower end of unspecified ulna, sequela

  • S52.61

    Fracture of ulna styloid process

  • S52.611

    Displaced fracture of right ulna styloid process

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