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
  • S82.844F

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S82.844G

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for closed fracture with delayed healing

  • S82.844H

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type I or II with delayed healing

  • S82.844J

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S82.844K

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for closed fracture with nonunion

  • S82.844M

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type I or II with nonunion

  • S82.844N

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S82.844P

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for closed fracture with malunion

  • S82.844Q

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type I or II with malunion

  • S82.844R

    Nondisplaced bimalleolar fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S82.844S

    Nondisplaced bimalleolar fracture of right lower leg, sequela

  • S82.845

    Nondisplaced bimalleolar fracture of left lower leg

  • S82.845A

    Nondisplaced bimalleolar fracture of left lower leg, initial encounter for closed fracture

  • S82.845B

    Nondisplaced bimalleolar fracture of left lower leg, initial encounter for open fracture type I or II

  • S82.845C

    Nondisplaced bimalleolar fracture of left lower leg, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S82.845D

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for closed fracture with routine healing

  • S82.845E

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type I or II with routine healing

  • S82.845F

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S82.845G

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for closed fracture with delayed healing

  • S82.845H

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type I or II with delayed healing

  • S82.845J

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S82.845K

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for closed fracture with nonunion

  • S82.845M

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type I or II with nonunion

  • S82.845N

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S82.845P

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for closed fracture with malunion

  • S82.845Q

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type I or II with malunion

  • S82.845R

    Nondisplaced bimalleolar fracture of left lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S82.845S

    Nondisplaced bimalleolar fracture of left lower leg, sequela

  • S82.846

    Nondisplaced bimalleolar fracture of unspecified lower leg

  • S82.846A

    Nondisplaced bimalleolar fracture of unspecified lower leg, initial encounter for closed fracture

  • S82.846B

    Nondisplaced bimalleolar fracture of unspecified lower leg, initial encounter for open fracture type I or II

  • S82.846C

    Nondisplaced bimalleolar fracture of unspecified lower leg, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S82.846D

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for closed fracture with routine healing

  • S82.846E

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type I or II with routine healing

  • S82.846F

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S82.846G

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for closed fracture with delayed healing

  • S82.846H

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type I or II with delayed healing

  • S82.846J

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S82.846K

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for closed fracture with nonunion

  • S82.846M

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type I or II with nonunion

  • S82.846N

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S82.846P

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for closed fracture with malunion

  • S82.846Q

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type I or II with malunion

  • S82.846R

    Nondisplaced bimalleolar fracture of unspecified lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S82.846S

    Nondisplaced bimalleolar fracture of unspecified lower leg, sequela

  • S82.85

    Trimalleolar fracture of lower leg

  • S82.851

    Displaced trimalleolar fracture of right lower leg

  • S82.851A

    Displaced trimalleolar fracture of right lower leg, initial encounter for closed fracture

  • S82.851B

    Displaced trimalleolar fracture of right lower leg, initial encounter for open fracture type I or II

  • S82.851C

    Displaced trimalleolar fracture of right lower leg, initial encounter for open fracture type IIIA, IIIB, or IIIC

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