T49.9 (Unsp topical agent) is an umbrella ICD-10-CM medical diagnosis code in the Injury, poisoning and certain other consequences of external causes chapter. Poisoning by, adverse effect of and underdosing of unspecified topical agent

ICD-10-CM · Category

T49.9 — Unsp topical agent

Poisoning by, adverse effect of and underdosing of unspecified topical agent

Chapter S00-T88: Injury, poisoning and certain other consequences of external causes

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Sub-codes under T49.9

T49.91Poisoning by unsp topical agent, accidental (unintentional)T49.92Poisoning by unsp topical agent, intentional self-harmT49.93Poisoning by unspecified topical agent, assaultT49.94Poisoning by unspecified topical agent, undeterminedT49.95Adverse effect of unspecified topical agentT49.96Underdosing of unspecified topical agent

Related diagnoses

T49.0Local antifungal, anti-infective and anti-inflammatory drugsT49.1AntipruriticsT49.2Local astringents and local detergentsT49.3Emollients, demulcents and protectantsT49.4Keratolyt/keratplst/hair trmt drugT49.5Ophthalmological drugs and preparationsT49.6Otorhinolaryngological drugs and preparationsT49.7Dental drugs, topically appliedT49.8Topical agents

Common questions about T49.9 (Unsp topical agent)

What does ICD-10 code T49.9 mean?
T49.9 is the ICD-10-CM 2025 code for Unsp topical agent. Poisoning by, adverse effect of and underdosing of unspecified topical agent. 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 T49.9 a billable diagnosis code?
T49.9 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T49.9. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T49.9 belong to?
T49.9 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 Unsp topical agent?
For a plain-language explanation of Unsp topical agent, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Unsp topical agent" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗