Z91.128
BillablePatient's intentional underdosing of medication regimen for other reason
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A patient deliberately takes less medication than prescribed for reasons other than financial hardship, such as side effects, personal beliefs, or preference.
Coding Tips
- •Use this code when intentional underdosing occurs for reasons not related to cost
- •Document the patient's stated reason for intentional underdosing to support clinical decision-making
Code Hierarchy
└Z91Personal risk factors, not elsewhere classified└Z91.1Patient's noncompliance with medical treatment and regimen└Z91.12Patient's intentional underdosing of medication regimen└Z91.128Patient's intentional underdosing of medication regimen for other reason
└Z91.128Patient's intentional underdosing of medication regimen for other reason