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
  • S53.421S

    Ulnohumeral (joint) sprain of right elbow, sequela

  • S53.422

    Ulnohumeral (joint) sprain of left elbow

  • S53.422A

    Ulnohumeral (joint) sprain of left elbow, initial encounter

  • S53.422D

    Ulnohumeral (joint) sprain of left elbow, subsequent encounter

  • S53.422S

    Ulnohumeral (joint) sprain of left elbow, sequela

  • S53.429

    Ulnohumeral (joint) sprain of unspecified elbow

  • S53.429A

    Ulnohumeral (joint) sprain of unspecified elbow, initial encounter

  • S53.429D

    Ulnohumeral (joint) sprain of unspecified elbow, subsequent encounter

  • S53.429S

    Ulnohumeral (joint) sprain of unspecified elbow, sequela

  • S53.43

    Radial collateral ligament sprain

  • S53.431

    Radial collateral ligament sprain of right elbow

  • S53.431A

    Radial collateral ligament sprain of right elbow, initial encounter

  • S53.431D

    Radial collateral ligament sprain of right elbow, subsequent encounter

  • S53.431S

    Radial collateral ligament sprain of right elbow, sequela

  • S53.432

    Radial collateral ligament sprain of left elbow

  • S53.432A

    Radial collateral ligament sprain of left elbow, initial encounter

  • S53.432D

    Radial collateral ligament sprain of left elbow, subsequent encounter

  • S53.432S

    Radial collateral ligament sprain of left elbow, sequela

  • S53.439

    Radial collateral ligament sprain of unspecified elbow

  • S53.439A

    Radial collateral ligament sprain of unspecified elbow, initial encounter

  • S53.439D

    Radial collateral ligament sprain of unspecified elbow, subsequent encounter

  • S53.439S

    Radial collateral ligament sprain of unspecified elbow, sequela

  • S53.44

    Ulnar collateral ligament sprain

  • S53.441

    Ulnar collateral ligament sprain of right elbow

  • S53.441A

    Ulnar collateral ligament sprain of right elbow, initial encounter

  • S53.441D

    Ulnar collateral ligament sprain of right elbow, subsequent encounter

  • S53.441S

    Ulnar collateral ligament sprain of right elbow, sequela

  • S53.442

    Ulnar collateral ligament sprain of left elbow

  • S53.442A

    Ulnar collateral ligament sprain of left elbow, initial encounter

  • S53.442D

    Ulnar collateral ligament sprain of left elbow, subsequent encounter

  • S53.442S

    Ulnar collateral ligament sprain of left elbow, sequela

  • S53.449

    Ulnar collateral ligament sprain of unspecified elbow

  • S53.449A

    Ulnar collateral ligament sprain of unspecified elbow, initial encounter

  • S53.449D

    Ulnar collateral ligament sprain of unspecified elbow, subsequent encounter

  • S53.449S

    Ulnar collateral ligament sprain of unspecified elbow, sequela

  • S53.49

    Other sprain of elbow

  • S53.491

    Other sprain of right elbow

  • S53.491A

    Other sprain of right elbow, initial encounter

  • S53.491D

    Other sprain of right elbow, subsequent encounter

  • S53.491S

    Other sprain of right elbow, sequela

  • S53.492

    Other sprain of left elbow

  • S53.492A

    Other sprain of left elbow, initial encounter

  • S53.492D

    Other sprain of left elbow, subsequent encounter

  • S53.492S

    Other sprain of left elbow, sequela

  • S53.499

    Other sprain of unspecified elbow

  • S53.499A

    Other sprain of unspecified elbow, initial encounter

  • S53.499D

    Other sprain of unspecified elbow, subsequent encounter

  • S53.499S

    Other sprain of unspecified elbow, sequela

  • S54

    Injury of nerves at forearm level

  • S54.0

    Injury of ulnar nerve at forearm level

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