Z91.1
Header — not billablePatient's noncompliance with medical treatment and regimen
The ICD-10 code for patient's noncompliance with medical treatment and regimen is Z91.1.
Z91.1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- caregiver noncompliance with patient's medical treatment and regimen (Z91.A-)
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.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Z91.1
- Z91.11Patient's noncompliance with dietary regimennon-billable header
- Z91.12Patient's intentional underdosing of medication 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
Related codes in this category
- Z91.0Allergy status, other than to drugs and biological substancesnon-billable header
- Z91.4Personal history of psychological trauma, not elsewhere classifiednon-billable header
- Z91.5Personal history of self-harmnon-billable header
- Z91.8Other specified personal risk factors, not elsewhere classifiednon-billable header
- Z91.ACaregiver's noncompliance with patient's medical treatment and regimennon-billable header
- Z91.BPersonal risk factor of exposure to diethylstilbestrol
- Z91.1Patient's noncompliance with medical treatment and regimennon-billable header