ICD-10-CM > Z00-Z99 > Z77-Z99 > Z91 > Z91.1 > Z91.14 Z91.14 Patient's other noncompliance with medication regimen Non-Billable/Non-Specific Applicable To Patient's underdosing of medication NOS Code First , if applicable, adverse effect of underdosing (T36-T50) Codes Z91.141Patient's other noncompliance with medication regimen due to financial hardshipZ91.148Patient's other noncompliance with medication regimen for other reason