T40.994 (Poisoning by other psychodysleptics, undetermined) is an umbrella ICD-10-CM medical diagnosis code in the Injury, poisoning and certain other consequences of external causes chapter. Poisoning by other psychodysleptics [hallucinogens], undetermined

ICD-10-CM · Category

T40.994 - Poisoning by other psychodysleptics [hallucinogens], undetermined

Poisoning by other psychodysleptics, undetermined

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

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Sub-codes under T40.994

T40.994APoisoning by oth psychodysleptics, undetermined, init encntrT40.994DPoisoning by oth psychodysleptics, undetermined, subs encntrT40.994SPoisoning by other psychodysleptics, undetermined, sequela

Related diagnoses

T40.991Poisoning by oth psychodyslept, accidental (unintentional)T40.992Poisoning by other psychodysleptics, intentional self-harmT40.993Poisoning by other psychodysleptics [hallucinogens], assaultT40.995Adverse effect of other psychodysleptics [hallucinogens]T40.996Underdosing of other psychodysleptics [hallucinogens]

Common questions about T40.994 (Poisoning by other psychodysleptics, undetermined)

What does ICD-10 code T40.994 mean?
T40.994 is the ICD-10-CM 2025 code for Poisoning by other psychodysleptics, undetermined. Poisoning by other psychodysleptics [hallucinogens], undetermined. 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 T40.994 a billable diagnosis code?
T40.994 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T40.994. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T40.994 belong to?
T40.994 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 other psychodysleptics, undetermined?
For a plain-language explanation of Poisoning by other psychodysleptics, undetermined, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Poisoning by other psychodysleptics, undetermined" 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 ↗