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
  • S82.54XJ

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S82.54XK

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for closed fracture with nonunion

  • S82.54XM

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type I or II with nonunion

  • S82.54XN

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S82.54XP

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for closed fracture with malunion

  • S82.54XQ

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type I or II with malunion

  • S82.54XR

    Nondisplaced fracture of medial malleolus of right tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S82.54XS

    Nondisplaced fracture of medial malleolus of right tibia, sequela

  • S82.55

    Nondisplaced fracture of medial malleolus of left tibia

  • S82.55XA

    Nondisplaced fracture of medial malleolus of left tibia, initial encounter for closed fracture

  • S82.55XB

    Nondisplaced fracture of medial malleolus of left tibia, initial encounter for open fracture type I or II

  • S82.55XC

    Nondisplaced fracture of medial malleolus of left tibia, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S82.55XD

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with routine healing

  • S82.55XE

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with routine healing

  • S82.55XF

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S82.55XG

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with delayed healing

  • S82.55XH

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with delayed healing

  • S82.55XJ

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S82.55XK

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with nonunion

  • S82.55XM

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with nonunion

  • S82.55XN

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S82.55XP

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for closed fracture with malunion

  • S82.55XQ

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunion

  • S82.55XR

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S82.55XS

    Nondisplaced fracture of medial malleolus of left tibia, sequela

  • S82.56

    Nondisplaced fracture of medial malleolus of unspecified tibia

  • S82.56XA

    Nondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for closed fracture

  • S82.56XB

    Nondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for open fracture type I or II

  • S82.56XC

    Nondisplaced fracture of medial malleolus of unspecified tibia, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S82.56XD

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with routine healing

  • S82.56XE

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with routine healing

  • S82.56XF

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

  • S82.56XG

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with delayed healing

  • S82.56XH

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with delayed healing

  • S82.56XJ

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

  • S82.56XK

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with nonunion

  • S82.56XM

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with nonunion

  • S82.56XN

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  • S82.56XP

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for closed fracture with malunion

  • S82.56XQ

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type I or II with malunion

  • S82.56XR

    Nondisplaced fracture of medial malleolus of unspecified tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

  • S82.56XS

    Nondisplaced fracture of medial malleolus of unspecified tibia, sequela

  • S82.6

    Fracture of lateral malleolus

  • S82.61

    Displaced fracture of lateral malleolus of right fibula

  • S82.61XA

    Displaced fracture of lateral malleolus of right fibula, initial encounter for closed fracture

  • S82.61XB

    Displaced fracture of lateral malleolus of right fibula, initial encounter for open fracture type I or II

  • S82.61XC

    Displaced fracture of lateral malleolus of right fibula, initial encounter for open fracture type IIIA, IIIB, or IIIC

  • S82.61XD

    Displaced fracture of lateral malleolus of right fibula, subsequent encounter for closed fracture with routine healing

  • S82.61XE

    Displaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type I or II with routine healing

  • S82.61XF

    Displaced fracture of lateral malleolus of right fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

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