T40.1X3 (Poisoning by heroin, assault) is an umbrella ICD-10-CM medical diagnosis code in the Injury, poisoning and certain other consequences of external causes chapter. It identifies cases of poisoning by heroin, assault for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

T40.1X3 - Poisoning by heroin, assault

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

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Sub-codes under T40.1X3

T40.1X3APoisoning by heroin, assault, initial encounterT40.1X3DPoisoning by heroin, assault, subsequent encounterT40.1X3SPoisoning by heroin, assault, sequela

Related diagnoses

T40.1X1Poisoning by heroin, accidental (unintentional)T40.1X2Poisoning by heroin, intentional self-harmT40.1X4Poisoning by heroin, undetermined

Common questions about T40.1X3 (Poisoning by heroin, assault)

What does ICD-10 code T40.1X3 mean?
T40.1X3 is the ICD-10-CM 2025 code for Poisoning by heroin, assault. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers in the United States to classify diseases and conditions in a standard way.
Is T40.1X3 a billable diagnosis code?
T40.1X3 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.1X3. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.1X3 belong to?
T40.1X3 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 heroin, assault?
For a plain-language explanation of Poisoning by heroin, assault, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Poisoning by heroin, assault" 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 ↗