When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.

Use additional code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
personal history of foreign body fully removed (Z87.821)
to identify any retained foreign body, if applicable (Z18.-)

Excludes1

  • contact with and (suspected) exposure to toxic substances (Z77.-)
  1. T57 Toxic effect of other inorganic substances

    The appropriate 7th character is to be added to each code from category T57

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. T57.0 Toxic effect of arsenic and its compounds

      1. T57.0X Toxic effect of arsenic and its compounds

        • T57.0X1 Toxic effect of arsenic and its compounds, accidental (unintentional)

          Inclusion term(s):

          • Toxic effect of arsenic and its compounds NOS
        • T57.0X2 Toxic effect of arsenic and its compounds, intentional self-harm
        • T57.0X3 Toxic effect of arsenic and its compounds, assault
        • T57.0X4 Toxic effect of arsenic and its compounds, undetermined
    2. T57.1 Toxic effect of phosphorus and its compounds

      1. T57.1X Toxic effect of phosphorus and its compounds

        • T57.1X1 Toxic effect of phosphorus and its compounds, accidental (unintentional)

          Inclusion term(s):

          • Toxic effect of phosphorus and its compounds NOS
        • T57.1X2 Toxic effect of phosphorus and its compounds, intentional self-harm
        • T57.1X3 Toxic effect of phosphorus and its compounds, assault
        • T57.1X4 Toxic effect of phosphorus and its compounds, undetermined
    3. T57.2 Toxic effect of manganese and its compounds

      1. T57.2X Toxic effect of manganese and its compounds

        • T57.2X1 Toxic effect of manganese and its compounds, accidental (unintentional)

          Inclusion term(s):

          • Toxic effect of manganese and its compounds NOS
        • T57.2X2 Toxic effect of manganese and its compounds, intentional self-harm
        • T57.2X3 Toxic effect of manganese and its compounds, assault
        • T57.2X4 Toxic effect of manganese and its compounds, undetermined
    4. T57.3 Toxic effect of hydrogen cyanide

      1. T57.3X Toxic effect of hydrogen cyanide

        • T57.3X1 Toxic effect of hydrogen cyanide, accidental (unintentional)

          Inclusion term(s):

          • Toxic effect of hydrogen cyanide NOS
        • T57.3X2 Toxic effect of hydrogen cyanide, intentional self-harm
        • T57.3X3 Toxic effect of hydrogen cyanide, assault
        • T57.3X4 Toxic effect of hydrogen cyanide, undetermined
    5. T57.8 Toxic effect of other specified inorganic substances

      1. T57.8X Toxic effect of other specified inorganic substances

        • T57.8X1 Toxic effect of other specified inorganic substances, accidental (unintentional)

          Inclusion term(s):

          • Toxic effect of other specified inorganic substances NOS
        • T57.8X2 Toxic effect of other specified inorganic substances, intentional self-harm
        • T57.8X3 Toxic effect of other specified inorganic substances, assault
        • T57.8X4 Toxic effect of other specified inorganic substances, undetermined
    6. T57.9 Toxic effect of unspecified inorganic substance

      1. T57.91 Toxic effect of unspecified inorganic substance, accidental (unintentional)

      2. T57.92 Toxic effect of unspecified inorganic substance, intentional self-harm

      3. T57.93 Toxic effect of unspecified inorganic substance, assault

      4. T57.94 Toxic effect of unspecified inorganic substance, undetermined

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.