ICD-10-CM code "Z91.13": Patient's unintentional underdosing of medication regimen (2024)

Excludes

1. Factors influencing health status and contact with health services (Z00-Z99)
2. Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
3. Personal risk factors, not elsewhere classified (Z91)

   Type 2contact with and (suspected) exposures hazardous to health (Z77.-)

   Type 2exposure to pollution and other problems related to physical environment (Z77.1-)

   Type 2female genital mutilation status (N90.81-)

   Type 2occupational exposure to risk factors (Z57.-)

   Type 2personal history of physical injury and trauma (Z87.81, Z87.82-)

4. Patient's noncompliance with medical treatment and regimen (Z91.1)

   Type 2caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)

5. Patient's unintentional underdosing of medication regimen (Z91.13)

   Type 1adverse effect of prescribed drug taken as directed- code to adverse effect

   Type 1poisoning (overdose) -code to poisoning

Includes

1. Factors influencing health status and contact with health services (Z00-Z99)
2. Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
3. Personal risk factors, not elsewhere classified (Z91)
4. Patient's noncompliance with medical treatment and regimen (Z91.1)
5. Patient's unintentional underdosing of medication regimen (Z91.13)

Subcategories

• Patient's unintentional underdosing of medication regimen due to age-related debility (Z91.130)
• Patient's unintentional underdosing of medication regimen for other reason (Z91.138)