Z91
Header — not billablePersonal risk factors, not elsewhere classified
The ICD-10 code for personal risk factors, not elsewhere classified is Z91.
Z91 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
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.
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
- Z91.0Allergy status, other than to drugs and biological substancesnon-billable header
- Z91.1Patient's noncompliance with medical treatment and regimennon-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
Related codes in this category
- Z77Other contact with and (suspected) exposures hazardous to healthnon-billable header
- Z78Other specified health statusnon-billable header
- Z79Long term (current) drug therapynon-billable header
- Z80Family history of primary malignant neoplasmnon-billable header
- Z81Family history of mental and behavioral disordersnon-billable header
- Z82Family history of certain disabilities and chronic diseases (leading to disablement)non-billable header
- Z83Family history of other specific disordersnon-billable header
- Z84Family history of other conditionsnon-billable header
- Z85Personal history of malignant neoplasmnon-billable header
- Z86Personal history of certain other diseasesnon-billable header
- Z87Personal history of other diseases and conditionsnon-billable header
- Z88Allergy status to drugs, medicaments and biological substancesnon-billable header
- Z89Acquired absence of limbnon-billable header
- Z90Acquired absence of organs, not elsewhere classifiednon-billable header
- Z92Personal history of medical treatmentnon-billable header
- Z93Artificial opening statusnon-billable header
- Z94Transplanted organ and tissue statusnon-billable header
- Z95Presence of cardiac and vascular implants and graftsnon-billable header
- Z96Presence of other functional implantsnon-billable header
- Z97Presence of other devicesnon-billable header
- Z98Other postprocedural statesnon-billable header
- Z99Dependence on enabling machines and devices, not elsewhere classifiednon-billable header
- Z91Personal risk factors, not elsewhere classifiednon-billable header