ICD-10 Diagnosis Code Z91.13

Patient's unintentional underdosing of medication regimen

Diagnosis Code Z91.13

ICD-10: Z91.13
Short Description: Patient's unintentional underdosing of medication regimen
Long Description: Patient's unintentional underdosing of medication regimen
This is the 2017 version of the ICD-10-CM diagnosis code Z91.13

Code Classification
  • Factors influencing health status and contact with health services
    • Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
      • Personal risk factors, not elsewhere classified (Z91)

Information for Patients

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

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