ICD-10-CM · Category
T49.91 — Poisoning by unsp topical agent, accidental (unintentional)
Poisoning by unspecified topical agent, accidental (unintentional)
Chapter S00-T88: Injury, poisoning and certain other consequences of external causes
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Common questions about T49.91 (Poisoning by unsp topical agent, accidental (unintentional))
What does ICD-10 code T49.91 mean?
T49.91 is the ICD-10-CM 2025 code for Poisoning by unsp topical agent, accidental (unintentional). Poisoning by unspecified topical agent, accidental (unintentional). ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is T49.91 a billable diagnosis code?
T49.91 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T49.91. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T49.91 belong to?
T49.91 belongs to the chapter "Injury, poisoning and certain other consequences of external causes" (codes S00-T88). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Poisoning by unsp topical agent, accidental (unintentional)?
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Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗