ICDMine.com › Browse ICD-10-CM Codes › Ch. 21: Factors influencing health status and contact with health services (Z00-Z99) › Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) › Z91.1 Patient's noncompliance with medical treatment and regimen › Z91.13

Z91.13Patient's unintentional underdosing of medication regimen

ICD-10-CM category (non-billable header) code — part of Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)
Section	Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Parent code	Z91.1 — Patient's noncompliance with medical treatment and regimen

Coding Notes

Code First

underdosing of medication (T36-T50) with fifth or sixth character 6

Subcategories (2)

Z91.130 Pt unintent undrdose of meds regimen due to age-rel debility
Z91.138 Patient's unintent undrdose of meds regimen for oth reason

Want the full interactive search, Excludes1/Excludes2 checking, and Alphabetic Index?

Open the free ICD-10-CM Search Tool →