All ICD10 Codes
Chapter 21

Z00–Z99: Factors Influencing Health Status and Contact with Health Services

Factors Influencing Health Status and Contact with Health Services diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • Z91.048—

    Other nonmedicinal substance allergy status

  • Z91.09—

    Other allergy status, other than to drugs and biological substances

  • Z91.1—

    Patient's noncompliance with medical treatment and regimen

  • Z91.11—

    Patient's noncompliance with dietary regimen

  • Z91.110—

    Patient's noncompliance with dietary regimen due to financial hardship

  • Z91.118—

    Patient's noncompliance with dietary regimen for other reason

  • Z91.119—

    Patient's noncompliance with dietary regimen due to unspecified reason

  • Z91.12—

    Patient's intentional underdosing of medication regimen

  • Z91.120—

    Patient's intentional underdosing of medication regimen due to financial hardship

  • Z91.128—

    Patient's intentional underdosing of medication regimen for other reason

  • Z91.13—

    Patient's unintentional underdosing of medication regimen

  • 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

  • Z91.14—

    Patient's other noncompliance with medication regimen

  • 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

  • Z91.15—

    Patient's noncompliance with renal dialysis

  • Z91.151—

    Patient's noncompliance with renal dialysis due to financial hardship

  • Z91.158—

    Patient's noncompliance with renal dialysis for other reason

  • Z91.19—

    Patient's noncompliance with other medical treatment and regimen

  • 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

  • Z91.199—

    Patient's noncompliance with other medical treatment and regimen due to unspecified reason

  • Z91.4—

    Personal history of psychological trauma, not elsewhere classified

  • Z91.41—

    Personal history of adult abuse

  • Z91.410—

    Personal history of adult physical and sexual abuse

  • Z91.411—

    Personal history of adult psychological abuse

  • Z91.412—

    Personal history of adult neglect

  • Z91.413—

    Personal history of adult financial abuse

  • Z91.414—

    Personal history of adult intimate partner abuse

  • Z91.419—

    Personal history of unspecified adult abuse

  • Z91.42—

    Personal history of forced labor or sexual exploitation

  • Z91.49—

    Other personal history of psychological trauma, not elsewhere classified

  • Z91.5—

    Personal history of self-harm

  • Z91.51—

    Personal history of suicidal behavior

  • Z91.52—

    Personal history of nonsuicidal self-harm

  • Z91.8—

    Other specified personal risk factors, not elsewhere classified

  • Z91.81—

    History of falling

  • Z91.82—

    Personal history of military deployment

  • Z91.83—

    Wandering in diseases classified elsewhere

  • Z91.84—

    Oral health risk factors

  • Z91.841—

    Risk for dental caries, low

  • Z91.842—

    Risk for dental caries, moderate

  • Z91.843—

    Risk for dental caries, high

  • Z91.849—

    Unspecified risk for dental caries

  • Z91.85—

    Personal history of military service

  • Z91.89—

    Other specified personal risk factors, not elsewhere classified

  • Z91.A—

    Caregiver's noncompliance with patient's medical treatment and regimen

  • Z91.A1—

    Caregiver's noncompliance with patient's dietary regimen

  • Z91.A10—

    Caregiver's noncompliance with patient's dietary regimen due to financial hardship

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