ICD-10-CM > Z00-Z99 > Z77-Z99 > Z91 > Z91.A > Z91.A9 Z91.A9 Caregiver's noncompliance with patient's other medical treatment and regimen Non-Billable/Non-Specific Applicable To Caregiver's nonadherence to patient's medical treatment Codes Z91.A91Caregiver's noncompliance with patient's other medical treatment and regimen due to financial hardshipZ91.A98Caregiver's noncompliance with patient's other medical treatment and regimen for other reason