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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  • T36.91XD—

    Poisoning by unspecified systemic antibiotic, accidental (unintentional), subsequent encounter

  • T36.91XS—

    Poisoning by unspecified systemic antibiotic, accidental (unintentional), sequela

  • T36.92—

    Poisoning by unspecified systemic antibiotic, intentional self-harm

  • T36.92XA—

    Poisoning by unspecified systemic antibiotic, intentional self-harm, initial encounter

  • T36.92XD—

    Poisoning by unspecified systemic antibiotic, intentional self-harm, subsequent encounter

  • T36.92XS—

    Poisoning by unspecified systemic antibiotic, intentional self-harm, sequela

  • T36.93—

    Poisoning by unspecified systemic antibiotic, assault

  • T36.93XA—

    Poisoning by unspecified systemic antibiotic, assault, initial encounter

  • T36.93XD—

    Poisoning by unspecified systemic antibiotic, assault, subsequent encounter

  • T36.93XS—

    Poisoning by unspecified systemic antibiotic, assault, sequela

  • T36.94—

    Poisoning by unspecified systemic antibiotic, undetermined

  • T36.94XA—

    Poisoning by unspecified systemic antibiotic, undetermined, initial encounter

  • T36.94XD—

    Poisoning by unspecified systemic antibiotic, undetermined, subsequent encounter

  • T36.94XS—

    Poisoning by unspecified systemic antibiotic, undetermined, sequela

  • T36.95—

    Adverse effect of unspecified systemic antibiotic

  • T36.95XA—

    Adverse effect of unspecified systemic antibiotic, initial encounter

  • T36.95XD—

    Adverse effect of unspecified systemic antibiotic, subsequent encounter

  • T36.95XS—

    Adverse effect of unspecified systemic antibiotic, sequela

  • T36.96—

    Underdosing of unspecified systemic antibiotic

  • T36.96XA—

    Underdosing of unspecified systemic antibiotic, initial encounter

  • T36.96XD—

    Underdosing of unspecified systemic antibiotic, subsequent encounter

  • T36.96XS—

    Underdosing of unspecified systemic antibiotic, sequela

  • T36.A—

    Poisoning by, adverse effect of and underdosing of fluoroquinolone antibiotics

  • T36.AX—

    Poisoning by, adverse effect of and underdosing of fluoroquinolone antibiotics

  • T36.AX1—

    Poisoning by fluoroquinolone antibiotics, accidental (unintentional)

  • T36.AX1A—

    Poisoning by fluoroquinolone antibiotics, accidental (unintentional), initial encounter

  • T36.AX1D—

    Poisoning by fluoroquinolone antibiotics, accidental (unintentional), subsequent encounter

  • T36.AX1S—

    Poisoning by fluoroquinolone antibiotics, accidental (unintentional), sequela

  • T36.AX2—

    Poisoning by fluoroquinolone antibiotics, intentional self-harm

  • T36.AX2A—

    Poisoning by fluoroquinolone antibiotics, intentional self-harm, initial encounter

  • T36.AX2D—

    Poisoning by fluoroquinolone antibiotics, intentional self-harm, subsequent encounter

  • T36.AX2S—

    Poisoning by fluoroquinolone antibiotics, intentional self-harm, sequela

  • T36.AX3—

    Poisoning by fluoroquinolone antibiotics, assault

  • T36.AX3A—

    Poisoning by fluoroquinolone antibiotics, assault, initial encounter

  • T36.AX3D—

    Poisoning by fluoroquinolone antibiotics, assault, subsequent encounter

  • T36.AX3S—

    Poisoning by fluoroquinolone antibiotics, assault, sequela

  • T36.AX4—

    Poisoning by fluoroquinolone antibiotics, undetermined

  • T36.AX4A—

    Poisoning by fluoroquinolone antibiotics, undetermined, initial encounter

  • T36.AX4D—

    Poisoning by fluoroquinolone antibiotics, undetermined, subsequent encounter

  • T36.AX4S—

    Poisoning by fluoroquinolone antibiotics, undetermined, sequela

  • T36.AX5—

    Adverse effect of fluoroquinolone antibiotics

  • T36.AX5A—

    Adverse effect of fluoroquinolone antibiotics, initial encounter

  • T36.AX5D—

    Adverse effect of fluoroquinolone antibiotics, subsequent encounter

  • T36.AX5S—

    Adverse effect of fluoroquinolone antibiotics, sequela

  • T36.AX6—

    Underdosing of fluoroquinolone antibiotics

  • T36.AX6A—

    Underdosing of fluoroquinolone antibiotics, initial encounter

  • T36.AX6D—

    Underdosing of fluoroquinolone antibiotics, subsequent encounter

  • T36.AX6S—

    Underdosing of fluoroquinolone antibiotics, sequela

  • T37—

    Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics

  • T37.0—

    Poisoning by, adverse effect of and underdosing of sulfonamides

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