T40.1X4A
BillablePoisoning by heroin, undetermined, initial encounter
T40.1X4A is the ICD-10-CM code for Poisoning by heroin, undetermined, initial encounter. It is a billable, specific code valid for reimbursement.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHWhat is heroin? Heroin is an illegal, very addictive opioid drug . It's made from morphine, which comes from the seedpod of opium poppy plants. These plants grow in Southeast and Southwest Asia, Mexico, and Colombia. Heroin can be a white or brown powder, or a black sticky substance known as black tar heroin. How do people use heroin? People inject, sniff, snort, or smoke heroin. Some people mix heroin with crack…
Read more about Heroin at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
- What is ICD-10 code T40.1X4A?
- T40.1X4A is the ICD-10-CM code for "Poisoning by heroin, undetermined, initial encounter". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
- Is T40.1X4A a billable code?
- Yes — T40.1X4A is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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