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
  • S66.109D

    Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter

  • S66.109S

    Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela

  • S66.11

    Strain of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level

  • S66.110

    Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level

  • S66.110A

    Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter

  • S66.110D

    Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter

  • S66.110S

    Strain of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela

  • S66.111

    Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level

  • S66.111A

    Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter

  • S66.111D

    Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter

  • S66.111S

    Strain of flexor muscle, fascia and tendon of left index finger at wrist and hand level, sequela

  • S66.112

    Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level

  • S66.112A

    Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter

  • S66.112D

    Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter

  • S66.112S

    Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level, sequela

  • S66.113

    Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level

  • S66.113A

    Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter

  • S66.113D

    Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter

  • S66.113S

    Strain of flexor muscle, fascia and tendon of left middle finger at wrist and hand level, sequela

  • S66.114

    Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level

  • S66.114A

    Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter

  • S66.114D

    Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter

  • S66.114S

    Strain of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela

  • S66.115

    Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level

  • S66.115A

    Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter

  • S66.115D

    Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter

  • S66.115S

    Strain of flexor muscle, fascia and tendon of left ring finger at wrist and hand level, sequela

  • S66.116

    Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level

  • S66.116A

    Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter

  • S66.116D

    Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter

  • S66.116S

    Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level, sequela

  • S66.117

    Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level

  • S66.117A

    Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter

  • S66.117D

    Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter

  • S66.117S

    Strain of flexor muscle, fascia and tendon of left little finger at wrist and hand level, sequela

  • S66.118

    Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level

  • S66.118A

    Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level, initial encounter

  • S66.118D

    Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter

  • S66.118S

    Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level, sequela

  • S66.119

    Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level

  • S66.119A

    Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter

  • S66.119D

    Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter

  • S66.119S

    Strain of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela

  • S66.12

    Laceration of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level

  • S66.120

    Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level

  • S66.120A

    Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter

  • S66.120D

    Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter

  • S66.120S

    Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand level, sequela

  • S66.121

    Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level

  • S66.121A

    Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter

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