ICD-10 Diagnosis Code T40.1X1A

Poisoning by heroin, accidental (unintentional), init encntr

Diagnosis Code T40.1X1A

ICD-10: T40.1X1A
Short Description: Poisoning by heroin, accidental (unintentional), init encntr
Long Description: Poisoning by heroin, accidental (unintentional), initial encounter
This is the 2017 version of the ICD-10-CM diagnosis code T40.1X1A

Code Classification
  • Injury, poisoning and certain other consequences of external causes
    • Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances (T36-T50)
      • Narcotics and psychodysleptics (T40)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code T40.1X1A is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


Information for Patients


Also called: Black tar, H, Horse, Junk, Skag, Smack

Heroin is a white or brown powder or a black, sticky goo. It's made from morphine, a natural substance in the seedpod of the Asian poppy plant. It can be mixed with water and injected with a needle. Heroin can also be smoked or snorted up the nose. All of these ways of taking heroin send it to the brain very quickly. This makes it very addictive.

Major health problems from heroin include miscarriages, heart infections, and death from overdose. People who inject the drug also risk getting infectious diseases, including HIV/AIDS and hepatitis.

Regular use of heroin can lead to tolerance. This means users need more and more drug to have the same effect. At higher doses over time, the body becomes dependent on heroin. If dependent users stop heroin, they have withdrawal symptoms. These symptoms include restlessness, muscle and bone pain, diarrhea and vomiting, and cold flashes with goose bumps.

NIH: National Institute on Drug Abuse

  • Heroin overdose
  • Opiate withdrawal
  • Tips for Teens: The Truth about Heroin (Substance Abuse and Mental Health Services Administration)

[Read More]


A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include

  • Prescription or over-the-counter medicines taken in doses that are too high
  • Overdoses of illegal drugs
  • Carbon monoxide from gas appliances
  • Household products, such as laundry powder or furniture polish
  • Pesticides
  • Indoor or outdoor plants
  • Metals such as lead and mercury

The effects of poisoning range from short-term illness to brain damage, coma, and death. To prevent poisoning it is important to use and store products exactly as their labels say. Keep dangerous products where children can't get to them. Treatment for poisoning depends on the type of poison. If you suspect someone has been poisoned, call your local poison control center right away.

  • Poisoning
  • Poisoning first aid
  • Toxicology screen

[Read More]
Previous Code
Previous Code T40.1X1
Next Code
T40.1X1D Next Code