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
  • S84.22XS

    Injury of cutaneous sensory nerve at lower leg level, left leg, sequela

  • S84.8

    Injury of other nerves at lower leg level

  • S84.80

    Injury of other nerves at lower leg level

  • S84.801

    Injury of other nerves at lower leg level, right leg

  • S84.801A

    Injury of other nerves at lower leg level, right leg, initial encounter

  • S84.801D

    Injury of other nerves at lower leg level, right leg, subsequent encounter

  • S84.801S

    Injury of other nerves at lower leg level, right leg, sequela

  • S84.802

    Injury of other nerves at lower leg level, left leg

  • S84.802A

    Injury of other nerves at lower leg level, left leg, initial encounter

  • S84.802D

    Injury of other nerves at lower leg level, left leg, subsequent encounter

  • S84.802S

    Injury of other nerves at lower leg level, left leg, sequela

  • S84.809

    Injury of other nerves at lower leg level, unspecified leg

  • S84.809A

    Injury of other nerves at lower leg level, unspecified leg, initial encounter

  • S84.809D

    Injury of other nerves at lower leg level, unspecified leg, subsequent encounter

  • S84.809S

    Injury of other nerves at lower leg level, unspecified leg, sequela

  • S84.9

    Injury of unspecified nerve at lower leg level

  • S84.90

    Injury of unspecified nerve at lower leg level, unspecified leg

  • S84.90XA

    Injury of unspecified nerve at lower leg level, unspecified leg, initial encounter

  • S84.90XD

    Injury of unspecified nerve at lower leg level, unspecified leg, subsequent encounter

  • S84.90XS

    Injury of unspecified nerve at lower leg level, unspecified leg, sequela

  • S84.91

    Injury of unspecified nerve at lower leg level, right leg

  • S84.91XA

    Injury of unspecified nerve at lower leg level, right leg, initial encounter

  • S84.91XD

    Injury of unspecified nerve at lower leg level, right leg, subsequent encounter

  • S84.91XS

    Injury of unspecified nerve at lower leg level, right leg, sequela

  • S84.92

    Injury of unspecified nerve at lower leg level, left leg

  • S84.92XA

    Injury of unspecified nerve at lower leg level, left leg, initial encounter

  • S84.92XD

    Injury of unspecified nerve at lower leg level, left leg, subsequent encounter

  • S84.92XS

    Injury of unspecified nerve at lower leg level, left leg, sequela

  • S85

    Injury of blood vessels at lower leg level

  • S85.0

    Injury of popliteal artery

  • S85.00

    Unspecified injury of popliteal artery

  • S85.001

    Unspecified injury of popliteal artery, right leg

  • S85.001A

    Unspecified injury of popliteal artery, right leg, initial encounter

  • S85.001D

    Unspecified injury of popliteal artery, right leg, subsequent encounter

  • S85.001S

    Unspecified injury of popliteal artery, right leg, sequela

  • S85.002

    Unspecified injury of popliteal artery, left leg

  • S85.002A

    Unspecified injury of popliteal artery, left leg, initial encounter

  • S85.002D

    Unspecified injury of popliteal artery, left leg, subsequent encounter

  • S85.002S

    Unspecified injury of popliteal artery, left leg, sequela

  • S85.009

    Unspecified injury of popliteal artery, unspecified leg

  • S85.009A

    Unspecified injury of popliteal artery, unspecified leg, initial encounter

  • S85.009D

    Unspecified injury of popliteal artery, unspecified leg, subsequent encounter

  • S85.009S

    Unspecified injury of popliteal artery, unspecified leg, sequela

  • S85.01

    Laceration of popliteal artery

  • S85.011

    Laceration of popliteal artery, right leg

  • S85.011A

    Laceration of popliteal artery, right leg, initial encounter

  • S85.011D

    Laceration of popliteal artery, right leg, subsequent encounter

  • S85.011S

    Laceration of popliteal artery, right leg, sequela

  • S85.012

    Laceration of popliteal artery, left leg

  • S85.012A

    Laceration of popliteal artery, left leg, initial encounter

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