ICD-10-CM › Z00-Z99 › Z77-Z99 › Z91.1 Patient's noncompliance with... › Z91.12

Z91.12

Patient's intentional underdosing of medication regimen

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 2 more specific codes instead:

  • 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

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Patient's intentional underdosing of medication regimen

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Z91 Personal risk factors, not elsewhere classified

Excludes2 - not included here

  • contact with and (suspected) exposures hazardous to health (Z77.-)
  • exposure to pollution and other problems related to physical environment (Z77.1-)
  • female genital mutilation status (N90.81-)
  • occupational exposure to risk factors (Z57.-)
  • personal history of physical injury and trauma (Z87.81, Z87.82-)

Inherited from the Z77-Z99 section Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Code also

  • any follow-up examination (Z08-Z09)

Codes in the same group

CodeDescriptionStatus
Z91.11 Patient's noncompliance with dietary regimen Not billable
Z91.13 Patient's unintentional underdosing of medication regimen Not billable
Z91.14 Patient's other noncompliance with medication regimen Not billable
Z91.15 Patient's noncompliance with renal dialysis Not billable
Z91.19 Patient's noncompliance with other medical treatment and regimen Not billable