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
  • S85.909S

    Unspecified injury of unspecified blood vessel at lower leg level, unspecified leg, sequela

  • S85.91

    Laceration of unspecified blood vessel at lower leg level

  • S85.911

    Laceration of unspecified blood vessel at lower leg level, right leg

  • S85.911A

    Laceration of unspecified blood vessel at lower leg level, right leg, initial encounter

  • S85.911D

    Laceration of unspecified blood vessel at lower leg level, right leg, subsequent encounter

  • S85.911S

    Laceration of unspecified blood vessel at lower leg level, right leg, sequela

  • S85.912

    Laceration of unspecified blood vessel at lower leg level, left leg

  • S85.912A

    Laceration of unspecified blood vessel at lower leg level, left leg, initial encounter

  • S85.912D

    Laceration of unspecified blood vessel at lower leg level, left leg, subsequent encounter

  • S85.912S

    Laceration of unspecified blood vessel at lower leg level, left leg, sequela

  • S85.919

    Laceration of unspecified blood vessel at lower leg level, unspecified leg

  • S85.919A

    Laceration of unspecified blood vessel at lower leg level, unspecified leg, initial encounter

  • S85.919D

    Laceration of unspecified blood vessel at lower leg level, unspecified leg, subsequent encounter

  • S85.919S

    Laceration of unspecified blood vessel at lower leg level, unspecified leg, sequela

  • S85.99

    Other specified injury of unspecified blood vessel at lower leg level

  • S85.991

    Other specified injury of unspecified blood vessel at lower leg level, right leg

  • S85.991A

    Other specified injury of unspecified blood vessel at lower leg level, right leg, initial encounter

  • S85.991D

    Other specified injury of unspecified blood vessel at lower leg level, right leg, subsequent encounter

  • S85.991S

    Other specified injury of unspecified blood vessel at lower leg level, right leg, sequela

  • S85.992

    Other specified injury of unspecified blood vessel at lower leg level, left leg

  • S85.992A

    Other specified injury of unspecified blood vessel at lower leg level, left leg, initial encounter

  • S85.992D

    Other specified injury of unspecified blood vessel at lower leg level, left leg, subsequent encounter

  • S85.992S

    Other specified injury of unspecified blood vessel at lower leg level, left leg, sequela

  • S85.999

    Other specified injury of unspecified blood vessel at lower leg level, unspecified leg

  • S85.999A

    Other specified injury of unspecified blood vessel at lower leg level, unspecified leg, initial encounter

  • S85.999D

    Other specified injury of unspecified blood vessel at lower leg level, unspecified leg, subsequent encounter

  • S85.999S

    Other specified injury of unspecified blood vessel at lower leg level, unspecified leg, sequela

  • S86

    Injury of muscle, fascia and tendon at lower leg level

  • S86.0

    Injury of Achilles tendon

  • S86.00

    Unspecified injury of Achilles tendon

  • S86.001

    Unspecified injury of right Achilles tendon

  • S86.001A

    Unspecified injury of right Achilles tendon, initial encounter

  • S86.001D

    Unspecified injury of right Achilles tendon, subsequent encounter

  • S86.001S

    Unspecified injury of right Achilles tendon, sequela

  • S86.002

    Unspecified injury of left Achilles tendon

  • S86.002A

    Unspecified injury of left Achilles tendon, initial encounter

  • S86.002D

    Unspecified injury of left Achilles tendon, subsequent encounter

  • S86.002S

    Unspecified injury of left Achilles tendon, sequela

  • S86.009

    Unspecified injury of unspecified Achilles tendon

  • S86.009A

    Unspecified injury of unspecified Achilles tendon, initial encounter

  • S86.009D

    Unspecified injury of unspecified Achilles tendon, subsequent encounter

  • S86.009S

    Unspecified injury of unspecified Achilles tendon, sequela

  • S86.01

    Strain of Achilles tendon

  • S86.011

    Strain of right Achilles tendon

  • S86.011A

    Strain of right Achilles tendon, initial encounter

  • S86.011D

    Strain of right Achilles tendon, subsequent encounter

  • S86.011S

    Strain of right Achilles tendon, sequela

  • S86.012

    Strain of left Achilles tendon

  • S86.012A

    Strain of left Achilles tendon, initial encounter

  • S86.012D

    Strain of left Achilles tendon, subsequent encounter

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