All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • T21.54—

    Corrosion of first degree of lower back

  • T21.54XA—

    Corrosion of first degree of lower back, initial encounter

  • T21.54XD—

    Corrosion of first degree of lower back, subsequent encounter

  • T21.54XS—

    Corrosion of first degree of lower back, sequela

  • T21.55—

    Corrosion of first degree of buttock

  • T21.55XA—

    Corrosion of first degree of buttock, initial encounter

  • T21.55XD—

    Corrosion of first degree of buttock, subsequent encounter

  • T21.55XS—

    Corrosion of first degree of buttock, sequela

  • T21.56—

    Corrosion of first degree of male genital region

  • T21.56XA—

    Corrosion of first degree of male genital region, initial encounter

  • T21.56XD—

    Corrosion of first degree of male genital region, subsequent encounter

  • T21.56XS—

    Corrosion of first degree of male genital region, sequela

  • T21.57—

    Corrosion of first degree of female genital region

  • T21.57XA—

    Corrosion of first degree of female genital region, initial encounter

  • T21.57XD—

    Corrosion of first degree of female genital region, subsequent encounter

  • T21.57XS—

    Corrosion of first degree of female genital region, sequela

  • T21.59—

    Corrosion of first degree of other site of trunk

  • T21.59XA—

    Corrosion of first degree of other site of trunk, initial encounter

  • T21.59XD—

    Corrosion of first degree of other site of trunk, subsequent encounter

  • T21.59XS—

    Corrosion of first degree of other site of trunk, sequela

  • T21.6—

    Corrosion of second degree of trunk

  • T21.60—

    Corrosion of second degree of trunk, unspecified site

  • T21.60XA—

    Corrosion of second degree of trunk, unspecified site, initial encounter

  • T21.60XD—

    Corrosion of second degree of trunk, unspecified site, subsequent encounter

  • T21.60XS—

    Corrosion of second degree of trunk, unspecified site, sequela

  • T21.61—

    Corrosion of second degree of chest wall

  • T21.61XA—

    Corrosion of second degree of chest wall, initial encounter

  • T21.61XD—

    Corrosion of second degree of chest wall, subsequent encounter

  • T21.61XS—

    Corrosion of second degree of chest wall, sequela

  • T21.62—

    Corrosion of second degree of abdominal wall

  • T21.62XA—

    Corrosion of second degree of abdominal wall, initial encounter

  • T21.62XD—

    Corrosion of second degree of abdominal wall, subsequent encounter

  • T21.62XS—

    Corrosion of second degree of abdominal wall, sequela

  • T21.63—

    Corrosion of second degree of upper back

  • T21.63XA—

    Corrosion of second degree of upper back, initial encounter

  • T21.63XD—

    Corrosion of second degree of upper back, subsequent encounter

  • T21.63XS—

    Corrosion of second degree of upper back, sequela

  • T21.64—

    Corrosion of second degree of lower back

  • T21.64XA—

    Corrosion of second degree of lower back, initial encounter

  • T21.64XD—

    Corrosion of second degree of lower back, subsequent encounter

  • T21.64XS—

    Corrosion of second degree of lower back, sequela

  • T21.65—

    Corrosion of second degree of buttock

  • T21.65XA—

    Corrosion of second degree of buttock, initial encounter

  • T21.65XD—

    Corrosion of second degree of buttock, subsequent encounter

  • T21.65XS—

    Corrosion of second degree of buttock, sequela

  • T21.66—

    Corrosion of second degree of male genital region

  • T21.66XA—

    Corrosion of second degree of male genital region, initial encounter

  • T21.66XD—

    Corrosion of second degree of male genital region, subsequent encounter

  • T21.66XS—

    Corrosion of second degree of male genital region, sequela

  • T21.67—

    Corrosion of second degree of female genital region

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