Z91.12
Header — not billablePatient's intentional underdosing of medication regimen
The ICD-10 code for patient's intentional underdosing of medication regimen is Z91.12.
Z91.12 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Clinical notes
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z91.11Patient's noncompliance with dietary regimennon-billable header
- Z91.13Patient's unintentional underdosing of medication regimennon-billable header
- Z91.14Patient's other noncompliance with medication regimennon-billable header
- Z91.15Patient's noncompliance with renal dialysisnon-billable header
- Z91.19Patient's noncompliance with other medical treatment and regimennon-billable header
- Z91.12Patient's intentional underdosing of medication regimennon-billable header