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
  • S66.525

    Laceration of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level

  • S66.525A

    Laceration of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter

  • S66.525D

    Laceration of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter

  • S66.525S

    Laceration of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, sequela

  • S66.526

    Laceration of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level

  • S66.526A

    Laceration of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter

  • S66.526D

    Laceration of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter

  • S66.526S

    Laceration of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, sequela

  • S66.527

    Laceration of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level

  • S66.527A

    Laceration of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, initial encounter

  • S66.527D

    Laceration of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, subsequent encounter

  • S66.527S

    Laceration of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level, sequela

  • S66.528

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

  • S66.528A

    Laceration of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, initial encounter

  • S66.528D

    Laceration of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, subsequent encounter

  • S66.528S

    Laceration of intrinsic muscle, fascia and tendon of other finger at wrist and hand level, sequela

  • S66.529

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

  • S66.529A

    Laceration of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level, initial encounter

  • S66.529D

    Laceration of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level, subsequent encounter

  • S66.529S

    Laceration of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level, sequela

  • S66.59

    Other injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level

  • S66.590

    Other injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level

  • S66.590A

    Other injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, initial encounter

  • S66.590D

    Other injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, subsequent encounter

  • S66.590S

    Other injury of intrinsic muscle, fascia and tendon of right index finger at wrist and hand level, sequela

  • S66.591

    Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level

  • S66.591A

    Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, initial encounter

  • S66.591D

    Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, subsequent encounter

  • S66.591S

    Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level, sequela

  • S66.592

    Other injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level

  • S66.592A

    Other injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, initial encounter

  • S66.592D

    Other injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, subsequent encounter

  • S66.592S

    Other injury of intrinsic muscle, fascia and tendon of right middle finger at wrist and hand level, sequela

  • S66.593

    Other injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level

  • S66.593A

    Other injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, initial encounter

  • S66.593D

    Other injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, subsequent encounter

  • S66.593S

    Other injury of intrinsic muscle, fascia and tendon of left middle finger at wrist and hand level, sequela

  • S66.594

    Other injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level

  • S66.594A

    Other injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter

  • S66.594D

    Other injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter

  • S66.594S

    Other injury of intrinsic muscle, fascia and tendon of right ring finger at wrist and hand level, sequela

  • S66.595

    Other injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level

  • S66.595A

    Other injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, initial encounter

  • S66.595D

    Other injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, subsequent encounter

  • S66.595S

    Other injury of intrinsic muscle, fascia and tendon of left ring finger at wrist and hand level, sequela

  • S66.596

    Other injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level

  • S66.596A

    Other injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, initial encounter

  • S66.596D

    Other injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, subsequent encounter

  • S66.596S

    Other injury of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level, sequela

  • S66.597

    Other injury of intrinsic muscle, fascia and tendon of left little finger at wrist and hand level

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