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


The ICD 10 Code for Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs is listed as T49.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: T49
Description: Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
  • Includes: poisoning by, adverse effect of and underdosing of glucocorticoids, topically used
  • The appropriate 7th character is to be added to each code from category T49
  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
Chapter Injury, poisoning and certain other consequences of external causes (S00-T88)
ICD-10-CM Children (deeper level / typically more specific) of T49:
T49.0 - Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs
T49.1 - Poisoning by, adverse effect of and underdosing of antipruritics
T49.2 - Poisoning by, adverse effect of and underdosing of local astringents and local detergents
T49.3 - Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectants
T49.4 - Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations
T49.5 - Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations
T49.6 - Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations
T49.7 - Poisoning by, adverse effect of and underdosing of dental drugs, topically applied
T49.8 - Poisoning by, adverse effect of and underdosing of other topical agents
T49.9 - Poisoning by, adverse effect of and underdosing of unspecified topical agent