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
  • S83.512

    Sprain of anterior cruciate ligament of left knee

  • S83.512A

    Sprain of anterior cruciate ligament of left knee, initial encounter

  • S83.512D

    Sprain of anterior cruciate ligament of left knee, subsequent encounter

  • S83.512S

    Sprain of anterior cruciate ligament of left knee, sequela

  • S83.519

    Sprain of anterior cruciate ligament of unspecified knee

  • S83.519A

    Sprain of anterior cruciate ligament of unspecified knee, initial encounter

  • S83.519D

    Sprain of anterior cruciate ligament of unspecified knee, subsequent encounter

  • S83.519S

    Sprain of anterior cruciate ligament of unspecified knee, sequela

  • S83.52

    Sprain of posterior cruciate ligament of knee

  • S83.521

    Sprain of posterior cruciate ligament of right knee

  • S83.521A

    Sprain of posterior cruciate ligament of right knee, initial encounter

  • S83.521D

    Sprain of posterior cruciate ligament of right knee, subsequent encounter

  • S83.521S

    Sprain of posterior cruciate ligament of right knee, sequela

  • S83.522

    Sprain of posterior cruciate ligament of left knee

  • S83.522A

    Sprain of posterior cruciate ligament of left knee, initial encounter

  • S83.522D

    Sprain of posterior cruciate ligament of left knee, subsequent encounter

  • S83.522S

    Sprain of posterior cruciate ligament of left knee, sequela

  • S83.529

    Sprain of posterior cruciate ligament of unspecified knee

  • S83.529A

    Sprain of posterior cruciate ligament of unspecified knee, initial encounter

  • S83.529D

    Sprain of posterior cruciate ligament of unspecified knee, subsequent encounter

  • S83.529S

    Sprain of posterior cruciate ligament of unspecified knee, sequela

  • S83.6

    Sprain of the superior tibiofibular joint and ligament

  • S83.60

    Sprain of the superior tibiofibular joint and ligament, unspecified knee

  • S83.60XA

    Sprain of the superior tibiofibular joint and ligament, unspecified knee, initial encounter

  • S83.60XD

    Sprain of the superior tibiofibular joint and ligament, unspecified knee, subsequent encounter

  • S83.60XS

    Sprain of the superior tibiofibular joint and ligament, unspecified knee, sequela

  • S83.61

    Sprain of the superior tibiofibular joint and ligament, right knee

  • S83.61XA

    Sprain of the superior tibiofibular joint and ligament, right knee, initial encounter

  • S83.61XD

    Sprain of the superior tibiofibular joint and ligament, right knee, subsequent encounter

  • S83.61XS

    Sprain of the superior tibiofibular joint and ligament, right knee, sequela

  • S83.62

    Sprain of the superior tibiofibular joint and ligament, left knee

  • S83.62XA

    Sprain of the superior tibiofibular joint and ligament, left knee, initial encounter

  • S83.62XD

    Sprain of the superior tibiofibular joint and ligament, left knee, subsequent encounter

  • S83.62XS

    Sprain of the superior tibiofibular joint and ligament, left knee, sequela

  • S83.8

    Sprain of other specified parts of knee

  • S83.8X

    Sprain of other specified parts of knee

  • S83.8X1

    Sprain of other specified parts of right knee

  • S83.8X1A

    Sprain of other specified parts of right knee, initial encounter

  • S83.8X1D

    Sprain of other specified parts of right knee, subsequent encounter

  • S83.8X1S

    Sprain of other specified parts of right knee, sequela

  • S83.8X2

    Sprain of other specified parts of left knee

  • S83.8X2A

    Sprain of other specified parts of left knee, initial encounter

  • S83.8X2D

    Sprain of other specified parts of left knee, subsequent encounter

  • S83.8X2S

    Sprain of other specified parts of left knee, sequela

  • S83.8X9

    Sprain of other specified parts of unspecified knee

  • S83.8X9A

    Sprain of other specified parts of unspecified knee, initial encounter

  • S83.8X9D

    Sprain of other specified parts of unspecified knee, subsequent encounter

  • S83.8X9S

    Sprain of other specified parts of unspecified knee, sequela

  • S83.9

    Sprain of unspecified site of knee

  • S83.90

    Sprain of unspecified site of unspecified knee

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