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. T61 Toxic effect of noxious substances eaten as seafood

    Excludes1

    • allergic reaction to food, such as:
    • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
    • bacterial foodborne intoxications (A05.-)
    • dermatitis (L23.6, L25.4, L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    • gastroenteritis (noninfective) (K52.29)
    • toxic effect of aflatoxin and other mycotoxins (T64)
    • toxic effect of cyanides (T65.0-)
    • toxic effect of harmful algae bloom (T65.82-)
    • toxic effect of hydrogen cyanide (T57.3-)
    • toxic effect of mercury (T56.1-)
    • toxic effect of red tide (T65.82-)

    The appropriate 7th character is to be added to each code from category T61

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. T61.0 Ciguatera fish poisoning

      1. T61.01 Ciguatera fish poisoning, accidental (unintentional)

      2. T61.02 Ciguatera fish poisoning, intentional self-harm

      3. T61.03 Ciguatera fish poisoning, assault

      4. T61.04 Ciguatera fish poisoning, undetermined

    2. T61.1 Scombroid fish poisoning

      Inclusion term(s):

      • Histamine-like syndrome
      1. T61.11 Scombroid fish poisoning, accidental (unintentional)

      2. T61.12 Scombroid fish poisoning, intentional self-harm

      3. T61.13 Scombroid fish poisoning, assault

      4. T61.14 Scombroid fish poisoning, undetermined

    3. T61.7 Other fish and shellfish poisoning

      1. T61.77 Other fish poisoning

        • T61.771 Other fish poisoning, accidental (unintentional)
        • T61.772 Other fish poisoning, intentional self-harm
        • T61.773 Other fish poisoning, assault
        • T61.774 Other fish poisoning, undetermined
      2. T61.78 Other shellfish poisoning

        • T61.781 Other shellfish poisoning, accidental (unintentional)
        • T61.782 Other shellfish poisoning, intentional self-harm
        • T61.783 Other shellfish poisoning, assault
        • T61.784 Other shellfish poisoning, undetermined
    4. T61.8 Toxic effect of other seafood

      1. T61.8X Toxic effect of other seafood

        • T61.8X1 Toxic effect of other seafood, accidental (unintentional)
        • T61.8X2 Toxic effect of other seafood, intentional self-harm
        • T61.8X3 Toxic effect of other seafood, assault
        • T61.8X4 Toxic effect of other seafood, undetermined
    5. T61.9 Toxic effect of unspecified seafood

      1. T61.91 Toxic effect of unspecified seafood, accidental (unintentional)

      2. T61.92 Toxic effect of unspecified seafood, intentional self-harm

      3. T61.93 Toxic effect of unspecified seafood, assault

      4. T61.94 Toxic effect of unspecified seafood, 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.