T42.7 (Unsp antiepileptic and sedative-hypnotic drugs) 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 antiepileptic and sedative-hypnotic drugs

ICD-10-CM · Category

T42.7 — Unsp antiepileptic and sedative-hypnotic drugs

Poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs

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

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Sub-codes under T42.7

T42.71Poisoning by unsp antieplptc and sed-hypntc drugs, accT42.72Poisoning by unsp antieplptc and sed-hypntc drugs, self-harmT42.73Poisoning by unsp antieplptc and sed-hypntc drugs, assaultT42.74Poisoning by unsp antieplptc and sed-hypntc drugs, undetT42.75Adverse effect of unsp antiepileptic and sed-hypntc drugsT42.76Underdosing of unsp antiepileptic and sed-hypntc drugs

Related diagnoses

T42.0Hydantoin derivativesT42.1IminostilbenesT42.2Succinimides and oxazolidinedionesT42.3BarbituratesT42.4BenzodiazepinesT42.5Mixed antiepilepticsT42.6Antiepileptic and sedative-hypnotic drugsT42.8Antiparkns drug/centr muscle-tone depressants

Common questions about T42.7 (Unsp antiepileptic and sedative-hypnotic drugs)

What does ICD-10 code T42.7 mean?
T42.7 is the ICD-10-CM 2025 code for Unsp antiepileptic and sedative-hypnotic drugs. Poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs. 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 T42.7 a billable diagnosis code?
T42.7 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under T42.7. Browse the sub-codes listed on this page.
Which ICD-10 chapter does T42.7 belong to?
T42.7 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 antiepileptic and sedative-hypnotic drugs?
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Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗