ICD-10 Diagnosis Code T43.021D

Poisoning by tetracyclic antidepressants, accidental, subs

Diagnosis Code T43.021D

ICD-10: T43.021D
Short Description: Poisoning by tetracyclic antidepressants, accidental, subs
Long Description: Poisoning by tetracyclic antidepressants, accidental (unintentional), subsequent encounter
This is the 2017 version of the ICD-10-CM diagnosis code T43.021D

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)
      • Psychotropic drugs, not elsewhere classified (T43)

Information for Medical Professionals

Information for Patients


Also called: SSRIs, Selective serotonin reuptake inhibitors, Tricyclic antidepressants

Antidepressants are medicines that treat depression. Your doctor can prescribe them for you. They work to balance some of the natural chemicals in our brains. It may take several weeks for them to help. There are several types of antidepressants. You and your doctor may have to try a few before finding what works best for you.

Antidepressants may cause mild side effects that usually do not last long. These may include headache, nausea, sleep problems, restlessness, and sexual problems. Tell your doctor if you have any side effects. You should also let your doctor know if you take any other medicines, vitamins, or herbal supplements.

It is important to keep taking your medicines, even if you feel better. Do not stop taking your medicines without talking to your doctor. You often need to stop antidepressants gradually.

NIH: National Institute of Mental Health

  • Depression - stopping your medicines

[Read More]

Medication Errors

Medicines cure infectious diseases, prevent problems from chronic diseases, and ease pain. But medicines can also cause harmful reactions if not used correctly. Errors can happen in the hospital, at the doctor's office, at the pharmacy, or at home. You can help prevent errors by

  • Knowing your medicines. Keep a list of the names of your medicines, how much you take, and when you take them. Include over-the-counter medicines, vitamins, and supplements and herbs. Take this list to all your doctor visits.
  • Reading medicine labels and following the directions. Don't take medications prescribed for someone else.
  • Taking extra caution when giving medicines to children.
  • Asking questions. If you don't know the answers to these questions, ask your doctor or pharmacist.
    • Why am I taking this medicine?
    • What are the common problems to watch out for?
    • What should I do if they occur?
    • When should I stop this medicine?
    • Can I take this medicine with the other medicines on my list?

Centers for Disease Control and Prevention

  • 6 Tips to Avoid Medication Mistakes (Food and Drug Administration)
  • Help prevent hospital errors
  • Keeping your medications organized
  • Medication safety during your hospital stay
  • Medication safety: Filling your prescription
  • Storing your medicines
  • Taking medicine at home - create a routine

[Read More]
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