Z91.13 Patient's unintentional underdosing of medication regimen

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Code First

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

Type 1 Excludes

adverse effect of prescribed drug taken as directed- code to adverse effect
poisoning (overdose) -code to poisoning

Child Codes


Sibling Codes


Parent Sibling Codes


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Code Title
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
Z91.13 Patient's unintentional 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

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