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ICD-10-CM category Z91: Personal risk factors, not elsewhere classified

Category Z91 is a heading in chapter 21 (Factors influencing health status and contact with health services (Z00-Z99)), section Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99). It is not billable; report one of the 62 complete codes below.

Notes that apply to every Z91 code

Excludes2 (not part of this condition, may be coded together)
  • 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-)

Billable codes in Z91

Billable FY2027 ICD-10-CM codes in category Z91
CodeDescription
Z91.010Allergy to peanuts
Z91.0110Allergy to milk products, unspecified
Z91.0111Allergy to milk products with tolerance to baked milk
Z91.0112Allergy to milk products with reactivity to baked milk
Z91.0120Allergy to eggs, unspecified
Z91.0121Allergy to eggs with tolerance to baked egg
Z91.0122Allergy to eggs with reactivity to baked egg
Z91.013Allergy to seafood
Z91.014Allergy to mammalian meats
Z91.018Allergy to other foods
Z91.02Food additives allergy status
Z91.030Bee allergy status
Z91.038Other insect allergy status
Z91.040Latex allergy status
Z91.041Radiographic dye allergy status
Z91.048Other nonmedicinal substance allergy status
Z91.09Other allergy status, other than to drugs and biological substances
Z91.110Patient's noncompliance with dietary regimen due to financial hardship
Z91.118Patient's noncompliance with dietary regimen for other reason
Z91.119Patient's noncompliance with dietary regimen due to unspecified reason
Z91.120Patient's intentional underdosing of medication regimen due to financial hardship
Z91.128Patient's intentional underdosing of medication regimen for other reason
Z91.130Patient's unintentional underdosing of medication regimen due to age-related debility
Z91.138Patient's unintentional underdosing of medication regimen for other reason
Z91.141Patient's other noncompliance with medication regimen due to financial hardship
Z91.148Patient's other noncompliance with medication regimen for other reason
Z91.151Patient's noncompliance with renal dialysis due to financial hardship
Z91.158Patient's noncompliance with renal dialysis for other reason
Z91.190Patient's noncompliance with other medical treatment and regimen due to financial hardship
Z91.198Patient's noncompliance with other medical treatment and regimen for other reason
Z91.199Patient's noncompliance with other medical treatment and regimen due to unspecified reason
Z91.410Personal history of adult physical and sexual abuse
Z91.411Personal history of adult psychological abuse
Z91.412Personal history of adult neglect
Z91.413Personal history of adult financial abuse
Z91.414Personal history of adult intimate partner abuse
Z91.419Personal history of unspecified adult abuse
Z91.42Personal history of forced labor or sexual exploitation
Z91.49Other personal history of psychological trauma, not elsewhere classified
Z91.51Personal history of suicidal behavior
Z91.52Personal history of nonsuicidal self-harm
Z91.81History of falling
Z91.82Personal history of military deployment
Z91.83Wandering in diseases classified elsewhere
Z91.841Risk for dental caries, low
Z91.842Risk for dental caries, moderate
Z91.843Risk for dental caries, high
Z91.849Unspecified risk for dental caries
Z91.85Personal history of military service
Z91.89Other specified personal risk factors, not elsewhere classified
Z91.A10Caregiver's noncompliance with patient's dietary regimen due to financial hardship
Z91.A18Caregiver's noncompliance with patient's dietary regimen for other reason
Z91.A20Caregiver's intentional underdosing of patient's medication regimen due to financial hardship
Z91.A28Caregiver's intentional underdosing of medication regimen for other reason
Z91.A3Caregiver's unintentional underdosing of patient's medication regimen
Z91.A41Caregiver's other noncompliance with patient's medication regimen due to financial hardship
Z91.A48Caregiver's other noncompliance with patient's medication regimen for other reason
Z91.A51Caregiver's noncompliance with patient's renal dialysis due to financial hardship
Z91.A58Caregiver's noncompliance with patient's renal dialysis for other reason
Z91.A91Caregiver's noncompliance with patient's other medical treatment and regimen due to financial hardship
Z91.A98Caregiver's noncompliance with patient's other medical treatment and regimen for other reason
Z91.BPersonal risk factor of exposure to diethylstilbestrol

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.