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  5. Toxic effect of soaps and detergents (T55)

Toxic effect of soaps and detergents (T55)

The ICD-10 code T55 classifies toxic effects caused by soaps and detergents. These codes are used to identify harmful exposures to soap products and synthetic detergents, specifying the nature and intent of the poisoning or adverse reaction.

The section includes codes such as T55.0 for toxic effects of soaps and T55.1 for toxic effects of detergents. Subcategories further distinguish cases by intent, including accidental (unintentional) poisonings (e.g., T55.0X1, T55.1X1), intentional self-harm (e.g., T55.0X2), assault (e.g., T55.0X3), or undetermined causes (e.g., T55.0X4). For example, the code T55.0X1 covers accidental toxic effects of soaps, also known by synonyms like “accidental poisoning by synthetic detergents and shampoos” or “anionic surfactant adverse reaction.” These codes also use 7th character extensions to indicate the initial encounter, subsequent encounter, or sequela of the exposure. Medical coders use this classification to capture detailed circumstances of soap and detergent poisonings for clinical documentation and reporting.

  • Injury, poisoning and certain other consequences of external causes (S00–T88)

    • Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

        • Toxic effect of soaps and detergents (T55)

        • T55 Toxic effect of soaps and detergents
        • T55.0 Toxic effect of soaps
        • T55.0X Toxic effect of soaps
        • T55.0X1 Toxic effect of soaps, accidental (unintentional)
        • T55.0X1A Toxic effect of soaps, accidental (unintentional), initial encounter
        • T55.0X1D Toxic effect of soaps, accidental (unintentional), subsequent encounter
        • T55.0X1S Toxic effect of soaps, accidental (unintentional), sequela
        • T55.0X2 Toxic effect of soaps, intentional self-harm
        • T55.0X2A Toxic effect of soaps, intentional self-harm, initial encounter
        • T55.0X2D Toxic effect of soaps, intentional self-harm, subsequent encounter
        • T55.0X2S Toxic effect of soaps, intentional self-harm, sequela
        • T55.0X3 Toxic effect of soaps, assault
        • T55.0X3A Toxic effect of soaps, assault, initial encounter
        • T55.0X3D Toxic effect of soaps, assault, subsequent encounter
        • T55.0X3S Toxic effect of soaps, assault, sequela
        • T55.0X4 Toxic effect of soaps, undetermined
        • T55.0X4A Toxic effect of soaps, undetermined, initial encounter
        • T55.0X4D Toxic effect of soaps, undetermined, subsequent encounter
        • T55.0X4S Toxic effect of soaps, undetermined, sequela
        • T55.1 Toxic effect of detergents
        • T55.1X Toxic effect of detergents
        • T55.1X1 Toxic effect of detergents, accidental (unintentional)
        • T55.1X1A Toxic effect of detergents, accidental (unintentional), initial encounter
        • T55.1X1D Toxic effect of detergents, accidental (unintentional), subsequent encounter
        • T55.1X1S Toxic effect of detergents, accidental (unintentional), sequela
        • T55.1X2 Toxic effect of detergents, intentional self-harm
        • T55.1X2A Toxic effect of detergents, intentional self-harm, initial encounter
        • T55.1X2D Toxic effect of detergents, intentional self-harm, subsequent encounter
        • T55.1X2S Toxic effect of detergents, intentional self-harm, sequela
        • T55.1X3 Toxic effect of detergents, assault
        • T55.1X3A Toxic effect of detergents, assault, initial encounter
        • T55.1X3D Toxic effect of detergents, assault, subsequent encounter
        • T55.1X3S Toxic effect of detergents, assault, sequela
        • T55.1X4 Toxic effect of detergents, undetermined
        • T55.1X4A Toxic effect of detergents, undetermined, initial encounter
        • T55.1X4D Toxic effect of detergents, undetermined, subsequent encounter
        • T55.1X4S Toxic effect of detergents, undetermined, sequela

Instructional Notations

7th Character Note

Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

  • The appropriate 7th character is to be added to each code from category T55

7th Character

Indicates that a seventh character is to be assigned to codes in a subcategory.

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela