T49.91XS
✓ Billable
Poisoning by unspecified topical agent, accidental (unintentional), sequela
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
T49.91XS
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code T49.91XS?
ICD-10-CM code T49.91XS represents Poisoning by unspecified topical agent, accidental (unintentional), sequela. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is T49.91XS billable?
Yes. T49.91XS is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is T49.91XS in?
T49.91XS belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the T49 category
T49
Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
Non-billable
T49.0
Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs
Non-billable
T49.1
Poisoning by, adverse effect of and underdosing of antipruritics
Non-billable
T49.2
Poisoning by, adverse effect of and underdosing of local astringents and local detergents
Non-billable
T49.3
Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectants
Non-billable
T49.4
Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations
Non-billable
T49.5
Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations
Non-billable
T49.6
Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations
Non-billable
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