Z91 — Personal risk factors, not elsewhere classified
Is Z91 billable?
No — Z91 is a non-billable header code. Z91 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath Z91.
Billable codes under this header
- Z91.BPersonal risk factor of exposure to diethylstilbestrol
- Z91.02Food additives allergy status
- Z91.09Other allergy status, other than to drugs and biological substances
- Z91.A3Caregiver's unintentional underdosing of patient's medication regimen
- 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
- Z91.85Personal history of military service
- Z91.89Other specified personal risk factors, not elsewhere classified
- Z91.010Allergy to peanuts
- Z91.013Allergy to seafood
- Z91.014Allergy to mammalian meats
- Z91.018Allergy to other foods
- Z91.030Bee allergy status
- Z91.038Other insect allergy status
- Z91.040Latex allergy status
- Z91.041Radiographic dye allergy status
- Z91.048Other nonmedicinal substance allergy status
- Z91.110Patient'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.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.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
- Z91.410Personal 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
- Z91.841Risk for dental caries, low
- Z91.842Risk for dental caries, moderate
- Z91.843Risk for dental caries, high
- Z91.849Unspecified risk for dental caries
- 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 at a glance
| Code | Z91 |
|---|---|
| Description | Personal risk factors, not elsewhere classified |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of Z91, but a patient may have both at the same time. When documentation supports it, Z91 and the excluded code may both be reported.
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z91 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
What codes fall under Z91? (7)
- Z91.0Allergy status, other than to drugs and biological substancesnot billable
- Z91.1Patient's noncompliance with medical treatment and regimennot billable
- Z91.ACaregiver's noncompliance with patient's medical treatment and regimennot billable
- Z91.4Personal history of psychological trauma, not elsewhere classifiednot billable
- Z91.5Personal history of self-harmnot billable
- Z91.8Other specified personal risk factors, not elsewhere classifiednot billable
- Z91.BPersonal risk factor of exposure to diethylstilbestrol
How long has Z91 existed?
Z91 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.