T40.0X1 (Poisoning by opium, accidental (unintentional)) 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 opium, accidental (unintentional) for clinical documentation, billing and epidemiological track

ICD-10-CM · Category

T40.0X1 - Poisoning by opium, accidental (unintentional)

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

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Sub-codes under T40.0X1

T40.0X1APoisoning by opium, accidental (unintentional), init encntrT40.0X1DPoisoning by opium, accidental (unintentional), subs encntrT40.0X1SPoisoning by opium, accidental (unintentional), sequela

Related diagnoses

T40.0X2Poisoning by opium, intentional self-harmT40.0X3Poisoning by opium, assaultT40.0X4Poisoning by opium, undeterminedT40.0X5Adverse effect of opiumT40.0X6Underdosing of opium

Common questions about T40.0X1 (Poisoning by opium, accidental (unintentional))

What does ICD-10 code T40.0X1 mean?
T40.0X1 is the ICD-10-CM 2025 code for Poisoning by opium, accidental (unintentional). 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 T40.0X1 a billable diagnosis code?
T40.0X1 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.0X1. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.0X1 belong to?
T40.0X1 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 opium, accidental (unintentional)?
For a plain-language explanation of Poisoning by opium, accidental (unintentional), ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Poisoning by opium, accidental (unintentional)" 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 ↗