Z91

Personal risk factors, not elsewhere classified

Non-billable header

Z91 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • Note: Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
  • Note: (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
  • Note: (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

Excludes2

Not included here — may be reported together when both conditions exist.

  • contact with and (suspected) exposures hazardous to health (Z77.-)
  • exposure to pollution and other problems related to physical environment (Z77.1-)
  • female genital mutilation status (N90.81-)
  • occupational exposure to risk factors (Z57.-)
  • personal history of physical injury and trauma (Z87.81, Z87.82-)

Code also

An additional code may be needed.

  • any follow-up examination (Z08-Z09)

More specific codes Z91

  • Z91.0Allergy status, other than to drugs and biological substancesHeader
  • Z91.1Patient's noncompliance with medical treatment and regimenHeader
  • Z91.ACaregiver's noncompliance with patient's medical treatment and regimenHeader
  • Z91.4Personal history of psychological trauma, not elsewhere classifiedHeader
  • Z91.5Personal history of self-harmHeader
  • Z91.8Other specified personal risk factors, not elsewhere classifiedHeader
  • Z91.BPersonal risk factor of exposure to diethylstilbestrolBillable

Related codes

  • Z77Other contact with and (suspected) exposures hazardous to healthHeader
  • Z78Other specified health statusHeader
  • Z79Long term (current) drug therapyHeader
  • Z80Family history of primary malignant neoplasmHeader
  • Z81Family history of mental and behavioral disordersHeader
  • Z82Family history of certain disabilities and chronic diseases (leading to disablement)Header
  • Z83Family history of other specific disordersHeader
  • Z84Family history of other conditionsHeader
  • Z85Personal history of malignant neoplasmHeader
  • Z86Personal history of certain other diseasesHeader
  • Z87Personal history of other diseases and conditionsHeader
  • Z88Allergy status to drugs, medicaments and biological substancesHeader
  • Z89Acquired absence of limbHeader
  • Z90Acquired absence of organs, not elsewhere classifiedHeader
  • Z92Personal history of medical treatmentHeader
  • Z93Artificial opening statusHeader
  • Z94Transplanted organ and tissue statusHeader
  • Z95Presence of cardiac and vascular implants and graftsHeader
  • Z96Presence of other functional implantsHeader
  • Z97Presence of other devicesHeader
  • Z98Other postprocedural statesHeader
  • Z99Dependence on enabling machines and devices, not elsewhere classifiedHeader

Browse