ICD-10 CM – Browse (Tabular)

Code Title
All Chapters
Z00-Z99 Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z91 Personal risk factors, not elsewhere classified
Z91.1 Patient's noncompliance with medical treatment and regimen
Z91.12 Patient's intentional underdosing of medication regimen
Type 1 Excludes
adverse effect of prescribed drug taken as directed- code to adverse effect
poisoning (overdose) -code to poisoning

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

Z91.120 Patient's intentional underdosing of medication regimen due to financial hardship
Z91.128 Patient's intentional underdosing of medication regimen for other reason