T49 Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs

Category / Non-billable header 79 subcodes

Block: Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances (T36-T50)

Includes

  • poisoning by, adverse effect of and underdosing of glucocorticoids, topically used

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
T49..0 Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs No
T49..0X Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs No
T49..0X1 Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, accidental (unintentional) No
T49..0X2 Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, intentional self-harm No
T49..0X3 Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, assault No
T49..0X4 Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, undetermined No
T49..0X5 Adverse effect of local antifungal, anti-infective and anti-inflammatory drugs No
T49..0X6 Underdosing of local antifungal, anti-infective and anti-inflammatory drugs No
T49..1 Poisoning by, adverse effect of and underdosing of antipruritics No
T49..1X Poisoning by, adverse effect of and underdosing of antipruritics No
T49..1X1 Poisoning by antipruritics, accidental (unintentional) No
T49..1X2 Poisoning by antipruritics, intentional self-harm No
T49..1X3 Poisoning by antipruritics, assault No
T49..1X4 Poisoning by antipruritics, undetermined No
T49..1X5 Adverse effect of antipruritics No
T49..1X6 Underdosing of antipruritics No
T49..2 Poisoning by, adverse effect of and underdosing of local astringents and local detergents No
T49..2X Poisoning by, adverse effect of and underdosing of local astringents and local detergents No
T49..2X1 Poisoning by local astringents and local detergents, accidental (unintentional) No
T49..2X2 Poisoning by local astringents and local detergents, intentional self-harm No
T49..2X3 Poisoning by local astringents and local detergents, assault No
T49..2X4 Poisoning by local astringents and local detergents, undetermined No
T49..2X5 Adverse effect of local astringents and local detergents No
T49..2X6 Underdosing of local astringents and local detergents No
T49..3 Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectants No
T49..3X Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectants No
T49..3X1 Poisoning by emollients, demulcents and protectants, accidental (unintentional) No
T49..3X2 Poisoning by emollients, demulcents and protectants, intentional self-harm No
T49..3X3 Poisoning by emollients, demulcents and protectants, assault No
T49..3X4 Poisoning by emollients, demulcents and protectants, undetermined No
T49..3X5 Adverse effect of emollients, demulcents and protectants No
T49..3X6 Underdosing of emollients, demulcents and protectants No
T49..4 Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations No
T49..4X Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations No
T49..4X1 Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, accidental (unintentional) No
T49..4X2 Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, intentional self-harm No
T49..4X3 Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, assault No
T49..4X4 Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined No
T49..4X5 Adverse effect of keratolytics, keratoplastics, and other hair treatment drugs and preparations No
T49..4X6 Underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations No
T49..5 Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations No
T49..5X Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations No
T49..5X1 Poisoning by ophthalmological drugs and preparations, accidental (unintentional) No
T49..5X2 Poisoning by ophthalmological drugs and preparations, intentional self-harm No
T49..5X3 Poisoning by ophthalmological drugs and preparations, assault No
T49..5X4 Poisoning by ophthalmological drugs and preparations, undetermined No
T49..5X5 Adverse effect of ophthalmological drugs and preparations No
T49..5X6 Underdosing of ophthalmological drugs and preparations No
T49..6 Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations No
T49..6X Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations No
T49..6X1 Poisoning by otorhinolaryngological drugs and preparations, accidental (unintentional) No
T49..6X2 Poisoning by otorhinolaryngological drugs and preparations, intentional self-harm No
T49..6X3 Poisoning by otorhinolaryngological drugs and preparations, assault No
T49..6X4 Poisoning by otorhinolaryngological drugs and preparations, undetermined No
T49..6X5 Adverse effect of otorhinolaryngological drugs and preparations No
T49..6X6 Underdosing of otorhinolaryngological drugs and preparations No
T49..7 Poisoning by, adverse effect of and underdosing of dental drugs, topically applied No
T49..7X Poisoning by, adverse effect of and underdosing of dental drugs, topically applied No
T49..7X1 Poisoning by dental drugs, topically applied, accidental (unintentional) No
T49..7X2 Poisoning by dental drugs, topically applied, intentional self-harm No
T49..7X3 Poisoning by dental drugs, topically applied, assault No
T49..7X4 Poisoning by dental drugs, topically applied, undetermined No
T49..7X5 Adverse effect of dental drugs, topically applied No
T49..7X6 Underdosing of dental drugs, topically applied No
T49..8 Poisoning by, adverse effect of and underdosing of other topical agents No
T49..8X Poisoning by, adverse effect of and underdosing of other topical agents No
T49..8X1 Poisoning by other topical agents, accidental (unintentional) No
T49..8X2 Poisoning by other topical agents, intentional self-harm No
T49..8X3 Poisoning by other topical agents, assault No
T49..8X4 Poisoning by other topical agents, undetermined No
T49..8X5 Adverse effect of other topical agents No
T49..8X6 Underdosing of other topical agents No
T49..9 Poisoning by, adverse effect of and underdosing of unspecified topical agent No
T49..91 Poisoning by unspecified topical agent, accidental (unintentional) No
T49..92 Poisoning by unspecified topical agent, intentional self-harm No
T49..93 Poisoning by unspecified topical agent, assault No
T49..94 Poisoning by unspecified topical agent, undetermined No
T49..95 Adverse effect of unspecified topical agent No
T49..96 Underdosing of unspecified topical agent No

Last reviewed: September 2026