ICD-10-CM Code Z91.14

Patient's other noncompliance with medication regimen

Version 2020 Billable Code Unacceptable Principal Diagnosis POA Exempt

Valid for Submission

Z91.14 is a billable code used to specify a medical diagnosis of patient's other noncompliance with medication regimen. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Z91.14 might also be used to specify conditions or terms like chronic disease - uncooperative patient, deficit of medication supply, diabetic-uncooperative patient, difficulty managing medication due to special need, difficulty obtaining medication, difficulty obtaining refills, etc The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.

The code Z91.14 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.

Short Description:Patient's other noncompliance with medication regimen
Long Description:Patient's other noncompliance with medication regimen

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Z91.14:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Patient's underdosing of medication NOS

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Z91.14 are found in the index:

  • - Underdosing - See Also: Table of Drugs and Chemicals, categories T36-T50, with final character 6; - Z91.14

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual’s health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.


The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Chronic disease - uncooperative patient
  • Deficit of medication supply
  • Diabetic-uncooperative patient
  • Difficulty managing medication due to special need
  • Difficulty obtaining medication
  • Difficulty obtaining refills
  • Difficulty self-administering non-parenteral medication
  • Difficulty self-administering parenteral medication
  • Difficulty taking medication
  • Discontinued medication without order
  • Does not follow recommended medication dosage
  • Does not follow recommended medication schedule
  • Does not manage medication
  • Does not manage medication
  • Does not manage medication
  • Does not obtain medication
  • Does not refill medications appropriately
  • Does not self-administer non-parenteral medication
  • Does not self-administer parenteral medication
  • Does not take medication
  • Does not take medication if feeling ill
  • Drug compliance poor
  • Drugs - partial non-compliance
  • Drugs - total non-compliance
  • History of noncompliance with medication regimen
  • Inadequate system for taking medication
  • Ineffective medication administration routine at home
  • Medication adherence variable
  • Medication non-adherence due to hearing impairment
  • Medication non-adherence due to intolerance
  • Medication non-adherence due to language barrier
  • Medication non-adherence due to psychosocial issues
  • Medication non-compliance due to cognitive impairment
  • Medication non-compliance due to excessive pill burden
  • Medication non-compliance due to visual impairment
  • Medication overuse
  • Medication taken at higher dose than recommended
  • Medication taken at lower dose than recommended
  • Mixes medication with alcohol
  • Non-compliance of drug therapy
  • Non-compliance of drug therapy
  • Noncompliance with antiretroviral medication regimen
  • Noncompliance with medication regimen
  • Patient alters dosing schedule for convenience
  • Patient does not renew prescription
  • Patient has difficulty administering medication
  • Patient has difficulty distinguishing between medications
  • Patient has difficulty preparing medication
  • Patient sequesters unused medication
  • Patient takes inappropriate over-the-counter medication
  • Patient takes non-prescribed prescription medication
  • Poor compliance with inhaler
  • Prescription compliance status
  • Prescription not collected
  • Refuses to discontinue medication
  • Stops taking medication too soon
  • Takes medication less frequently than recommended
  • Takes medication more frequently than recommended
  • Taking medication without order
  • Unable to manage medication
  • Unable to obtain medication
  • Unable to self-administer non-parenteral medication
  • Unable to self-administer parenteral medication
  • Unable to take medication
  • Uses less medication than prescribed

Present on Admission (POA)

Z91.14 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here .

CMS POA Indicator Options and Definitions
POA Indicator CodePOA Reason for CodeCMS will pay the CC/MCC DRG?
YDiagnosis was present at time of inpatient admission.YES
NDiagnosis was not present at time of inpatient admission.NO
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.NO
WClinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission.YES
1Unreported/Not used - Exempt from POA reporting. NO

Convert Z91.14 to ICD-9

  • V15.81 - Hx of past noncompliance (Approximate Flag)

Code Classification

  • 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)
      • Personal risk factors, not elsewhere classified (Z91)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020