ICD-10-CM category
Z91: Personal risk factors, not elsewhere classified
Codes under Z91 (Personal risk factors, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z91.0 | Allergy status, other than to drugs and biological substances | — |
| Z91.0 | Allergy status, other than to drugs and biological substances | — |
| Z91.01 | Food allergy status | — |
| Z91.01 | Food allergy status | — |
| Z91.1 | Patient's noncompliance with medical treatment and regimen | — |
| Z91.1 | Patient's noncompliance with medical treatment and regimen | — |
| Z91.02 | Food additives allergy status | ✓ |
| Z91.02 | Food additives allergy status | ✓ |
| Z91.03 | Insect allergy status | — |
| Z91.03 | Insect allergy status | — |
| Z91.04 | Nonmedicinal substance allergy status | — |
| Z91.04 | Nonmedicinal substance allergy status | — |
| Z91.4 | Personal history of psychological trauma, not elsewhere classified | — |
| Z91.4 | Personal history of psychological trauma, not elsewhere classified | — |
| Z91.5 | Personal history of self-harm | — |
| Z91.5 | Personal history of self-harm | — |
| Z91.8 | Other specified personal risk factors, not elsewhere classified | — |
| Z91.8 | Other specified personal risk factors, not elsewhere classified | — |
| Z91.09 | Other allergy status, other than to drugs and biological substances | ✓ |
| Z91.09 | Other allergy status, other than to drugs and biological substances | ✓ |
| Z91.010 | Allergy to peanuts | ✓ |
| Z91.010 | Allergy to peanuts | ✓ |
| Z91.011 | Allergy to milk products | — |
| Z91.011 | Allergy to milk products | — |
| Z91.11 | Patient's noncompliance with dietary regimen | — |
| Z91.11 | Patient's noncompliance with dietary regimen | — |
| Z91.012 | Allergy to eggs | — |
| Z91.012 | Allergy to eggs | — |
| Z91.12 | Patient's intentional underdosing of medication regimen | — |
| Z91.12 | Patient's intentional underdosing of medication regimen | — |
| Z91.013 | Allergy to seafood | ✓ |
| Z91.013 | Allergy to seafood | ✓ |
| Z91.13 | Patient's unintentional underdosing of medication regimen | — |
| Z91.13 | Patient's unintentional underdosing of medication regimen | — |
| Z91.014 | Allergy to mammalian meats | ✓ |
| Z91.014 | Allergy to mammalian meats | ✓ |
| Z91.14 | Patient's other noncompliance with medication regimen | — |
| Z91.14 | Patient's other noncompliance with medication regimen | — |
| Z91.15 | Patient's noncompliance with renal dialysis | — |
| Z91.15 | Patient's noncompliance with renal dialysis | — |
| Z91.018 | Allergy to other foods | ✓ |
| Z91.018 | Allergy to other foods | ✓ |
| Z91.19 | Patient's noncompliance with other medical treatment and regimen | — |
| Z91.19 | Patient's noncompliance with other medical treatment and regimen | — |
| Z91.030 | Bee allergy status | ✓ |
| Z91.030 | Bee allergy status | ✓ |
| Z91.038 | Other insect allergy status | ✓ |
| Z91.038 | Other insect allergy status | ✓ |
| Z91.040 | Latex allergy status | ✓ |
| Z91.040 | Latex allergy status | ✓ |
| Z91.041 | Radiographic dye allergy status | ✓ |
| Z91.041 | Radiographic dye allergy status | ✓ |
| Z91.41 | Personal history of adult abuse | — |
| Z91.41 | Personal history of adult abuse | — |
| Z91.42 | Personal history of forced labor or sexual exploitation | ✓ |
| Z91.42 | Personal history of forced labor or sexual exploitation | ✓ |
| Z91.048 | Other nonmedicinal substance allergy status | ✓ |
| Z91.048 | Other nonmedicinal substance allergy status | ✓ |
| Z91.49 | Other personal history of psychological trauma, not elsewhere classified | ✓ |
| Z91.49 | Other personal history of psychological trauma, not elsewhere classified | ✓ |
| Z91.51 | Personal history of suicidal behavior | ✓ |
| Z91.51 | Personal history of suicidal behavior | ✓ |
| Z91.52 | Personal history of nonsuicidal self-harm | ✓ |
| Z91.52 | Personal history of nonsuicidal self-harm | ✓ |
| Z91.81 | History of falling | ✓ |
| Z91.81 | History of falling | ✓ |
| Z91.82 | Personal history of military deployment | ✓ |
| Z91.82 | Personal history of military deployment | ✓ |
| Z91.83 | Wandering in diseases classified elsewhere | ✓ |
| Z91.83 | Wandering in diseases classified elsewhere | ✓ |
| Z91.84 | Oral health risk factors | — |
| Z91.84 | Oral health risk factors | — |
| Z91.85 | Personal history of military service | ✓ |
| Z91.85 | Personal history of military service | ✓ |
| Z91.89 | Other specified personal risk factors, not elsewhere classified | ✓ |
| Z91.89 | Other specified personal risk factors, not elsewhere classified | ✓ |
| Z91.0110 | Allergy to milk products, unspecified | ✓ |
| Z91.0110 | Allergy to milk products, unspecified | ✓ |
| Z91.110 | Patient's noncompliance with dietary regimen due to financial hardship | ✓ |
| Z91.110 | Patient's noncompliance with dietary regimen due to financial hardship | ✓ |
| Z91.0111 | Allergy to milk products with tolerance to baked milk | ✓ |
| Z91.0111 | Allergy to milk products with tolerance to baked milk | ✓ |
| Z91.0112 | Allergy to milk products with reactivity to baked milk | ✓ |
| Z91.0112 | Allergy to milk products with reactivity to baked milk | ✓ |
| Z91.118 | Patient's noncompliance with dietary regimen for other reason | ✓ |
| Z91.118 | Patient's noncompliance with dietary regimen for other reason | ✓ |
| Z91.119 | Patient's noncompliance with dietary regimen due to unspecified reason | ✓ |
| Z91.119 | Patient's noncompliance with dietary regimen due to unspecified reason | ✓ |
| Z91.0120 | Allergy to eggs, unspecified | ✓ |
| Z91.0120 | Allergy to eggs, unspecified | ✓ |
| Z91.120 | Patient's intentional underdosing of medication regimen due to financial hardship | ✓ |
| Z91.120 | Patient's intentional underdosing of medication regimen due to financial hardship | ✓ |
| Z91.0121 | Allergy to eggs with tolerance to baked egg | ✓ |
| Z91.0121 | Allergy to eggs with tolerance to baked egg | ✓ |
| Z91.0122 | Allergy to eggs with reactivity to baked egg | ✓ |
| Z91.0122 | Allergy to eggs with reactivity to baked egg | ✓ |
| Z91.128 | Patient's intentional underdosing of medication regimen for other reason | ✓ |
| Z91.128 | Patient's intentional underdosing of medication regimen for other reason | ✓ |
| Z91.130 | Patient's unintentional underdosing of medication regimen due to age-related debility | ✓ |
| Z91.130 | Patient's unintentional underdosing of medication regimen due to age-related debility | ✓ |
| Z91.138 | Patient's unintentional underdosing of medication regimen for other reason | ✓ |
| Z91.138 | Patient's unintentional underdosing of medication regimen for other reason | ✓ |
| Z91.141 | Patient's other noncompliance with medication regimen due to financial hardship | ✓ |
| Z91.141 | Patient's other noncompliance with medication regimen due to financial hardship | ✓ |
| Z91.148 | Patient's other noncompliance with medication regimen for other reason | ✓ |
| Z91.148 | Patient's other noncompliance with medication regimen for other reason | ✓ |
| Z91.151 | Patient's noncompliance with renal dialysis due to financial hardship | ✓ |
| Z91.151 | Patient's noncompliance with renal dialysis due to financial hardship | ✓ |
| Z91.158 | Patient's noncompliance with renal dialysis for other reason | ✓ |
| Z91.158 | Patient's noncompliance with renal dialysis for other reason | ✓ |
| Z91.190 | Patient's noncompliance with other medical treatment and regimen due to financial hardship | ✓ |
| Z91.190 | Patient's noncompliance with other medical treatment and regimen due to financial hardship | ✓ |
| Z91.198 | Patient's noncompliance with other medical treatment and regimen for other reason | ✓ |
| Z91.198 | Patient's noncompliance with other medical treatment and regimen for other reason | ✓ |
| Z91.199 | Patient's noncompliance with other medical treatment and regimen due to unspecified reason | ✓ |
| Z91.199 | Patient's noncompliance with other medical treatment and regimen due to unspecified reason | ✓ |
| Z91.410 | Personal history of adult physical and sexual abuse | ✓ |
| Z91.410 | Personal history of adult physical and sexual abuse | ✓ |
| Z91.411 | Personal history of adult psychological abuse | ✓ |
| Z91.411 | Personal history of adult psychological abuse | ✓ |
| Z91.412 | Personal history of adult neglect | ✓ |
| Z91.412 | Personal history of adult neglect | ✓ |
| Z91.413 | Personal history of adult financial abuse | ✓ |
| Z91.413 | Personal history of adult financial abuse | ✓ |
| Z91.414 | Personal history of adult intimate partner abuse | ✓ |
| Z91.414 | Personal history of adult intimate partner abuse | ✓ |
| Z91.419 | Personal history of unspecified adult abuse | ✓ |
| Z91.419 | Personal history of unspecified adult abuse | ✓ |
| Z91.841 | Risk for dental caries, low | ✓ |
| Z91.841 | Risk for dental caries, low | ✓ |
| Z91.842 | Risk for dental caries, moderate | ✓ |
| Z91.842 | Risk for dental caries, moderate | ✓ |
| Z91.843 | Risk for dental caries, high | ✓ |
| Z91.843 | Risk for dental caries, high | ✓ |
| Z91.849 | Unspecified risk for dental caries | ✓ |
| Z91.849 | Unspecified risk for dental caries | ✓ |
| Z91.A | Caregiver's noncompliance with patient's medical treatment and regimen | — |
| Z91.A | Caregiver's noncompliance with patient's medical treatment and regimen | — |
| Z91.A1 | Caregiver's noncompliance with patient's dietary regimen | — |
| Z91.A1 | Caregiver's noncompliance with patient's dietary regimen | — |
| Z91.A2 | Caregiver's intentional underdosing of patient's medication regimen | — |
| Z91.A2 | Caregiver's intentional underdosing of patient's medication regimen | — |
| Z91.A3 | Caregiver's unintentional underdosing of patient's medication regimen | ✓ |
| Z91.A3 | Caregiver's unintentional underdosing of patient's medication regimen | ✓ |
| Z91.A4 | Caregiver's other noncompliance with patient's medication regimen | — |
| Z91.A4 | Caregiver's other noncompliance with patient's medication regimen | — |
| Z91.A5 | Caregiver's noncompliance with patient's renal dialysis | — |
| Z91.A5 | Caregiver's noncompliance with patient's renal dialysis | — |
| Z91.A9 | Caregiver's noncompliance with patient's other medical treatment and regimen | — |
| Z91.A9 | Caregiver's noncompliance with patient's other medical treatment and regimen | — |
| Z91.A10 | Caregiver's noncompliance with patient's dietary regimen due to financial hardship | ✓ |
| Z91.A10 | Caregiver's noncompliance with patient's dietary regimen due to financial hardship | ✓ |
| Z91.A18 | Caregiver's noncompliance with patient's dietary regimen for other reason | ✓ |
| Z91.A18 | Caregiver's noncompliance with patient's dietary regimen for other reason | ✓ |
| Z91.A20 | Caregiver's intentional underdosing of patient's medication regimen due to financial hardship | ✓ |
| Z91.A20 | Caregiver's intentional underdosing of patient's medication regimen due to financial hardship | ✓ |
| Z91.A28 | Caregiver's intentional underdosing of medication regimen for other reason | ✓ |
| Z91.A28 | Caregiver's intentional underdosing of medication regimen for other reason | ✓ |
| Z91.A41 | Caregiver's other noncompliance with patient's medication regimen due to financial hardship | ✓ |
| Z91.A41 | Caregiver's other noncompliance with patient's medication regimen due to financial hardship | ✓ |
| Z91.A48 | Caregiver's other noncompliance with patient's medication regimen for other reason | ✓ |
| Z91.A48 | Caregiver's other noncompliance with patient's medication regimen for other reason | ✓ |
| Z91.A51 | Caregiver's noncompliance with patient's renal dialysis due to financial hardship | ✓ |
| Z91.A51 | Caregiver's noncompliance with patient's renal dialysis due to financial hardship | ✓ |
| Z91.A58 | Caregiver's noncompliance with patient's renal dialysis for other reason | ✓ |
| Z91.A58 | Caregiver's noncompliance with patient's renal dialysis for other reason | ✓ |
| Z91.A91 | Caregiver's noncompliance with patient's other medical treatment and regimen due to financial hardship | ✓ |
| Z91.A91 | Caregiver's noncompliance with patient's other medical treatment and regimen due to financial hardship | ✓ |
| Z91.A98 | Caregiver's noncompliance with patient's other medical treatment and regimen for other reason | ✓ |
| Z91.A98 | Caregiver's noncompliance with patient's other medical treatment and regimen for other reason | ✓ |
| Z91.B | Personal risk factor of exposure to diethylstilbestrol | ✓ |
| Z91.B | Personal risk factor of exposure to diethylstilbestrol | ✓ |
Frequently asked questions
What is ICD-10-CM code Z91?
Z91 is an ICD-10-CM category covering Personal risk factors, not elsewhere classified. It contains 172 more specific diagnosis codes, 124 of which are billable.
Is Z91 a billable code?
No — Z91 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z91.0 — Allergy status, other than to drugs and biological substances). 124 of the 172 codes under Z91 are billable.
What codes fall under Z91?
Z91 includes Z91.0, Z91.0, Z91.01, Z91.01, Z91.1, plus 167 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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