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.

Internal Codes
  • Z62.898

    Other specified problems related to upbringing

  • Z62.9

    Problem related to upbringing, unspecified

  • Z63.0

    Problems in relationship with spouse or partner

  • Z63.1

    Problems in relationship with in-laws

  • Z63.31

    Absence of family member due to military deployment

  • Z63.32

    Other absence of family member

  • Z63.4

    Disappearance and death of family member

  • Z63.5

    Disruption of family by separation and divorce

  • Z63.6

    Dependent relative needing care at home

  • Z63.71

    Stress on family due to return of family member from military deployment

  • Z63.72

    Alcoholism and drug addiction in family

  • Z63.79

    Other stressful life events affecting family and household

  • Z63.8

    Other specified problems related to primary support group

  • Z63.9

    Problem related to primary support group, unspecified

  • Z64.0

    Problems related to unwanted pregnancy

  • Z64.1

    Problems related to multiparity

  • Z64.4

    Discord with counselors

  • Z65.0

    Conviction in civil and criminal proceedings without imprisonment

  • Z65.1

    Imprisonment and other incarceration

  • Z65.2

    Problems related to release from prison

  • Z65.3

    Problems related to other legal circumstances

  • Z65.4

    Victim of crime and terrorism

  • Z65.5

    Exposure to disaster, war and other hostilities

  • Z65.8

    Other specified problems related to psychosocial circumstances

  • Z65.9

    Problem related to unspecified psychosocial circumstances

  • Z66

    Do not resuscitate

  • Z67.10

    Type A blood, Rh positive

  • Z67.11

    Type A blood, Rh negative

  • Z67.20

    Type B blood, Rh positive

  • Z67.21

    Type B blood, Rh negative

  • Z67.30

    Type AB blood, Rh positive

  • Z67.31

    Type AB blood, Rh negative

  • Z67.40

    Type O blood, Rh positive

  • Z67.41

    Type O blood, Rh negative

  • Z67.90

    Unspecified blood type, Rh positive

  • Z67.91

    Unspecified blood type, Rh negative

  • Z67.A1

    Duffy null

  • Z67.A2

    Duffy a positive

  • Z67.A3

    Duffy b positive

  • Z67.A4

    Duffy a and b positive

  • Z68.1

    Body mass index [BMI] 19.9 or less, adult

  • Z68.20

    Body mass index [BMI] 20.0-20.9, adult

  • Z68.21

    Body mass index [BMI] 21.0-21.9, adult

  • Z68.22

    Body mass index [BMI] 22.0-22.9, adult

  • Z68.23

    Body mass index [BMI] 23.0-23.9, adult

  • Z68.24

    Body mass index [BMI] 24.0-24.9, adult

  • Z68.25

    Body mass index [BMI] 25.0-25.9, adult

  • Z68.26

    Body mass index [BMI] 26.0-26.9, adult

  • Z68.27

    Body mass index [BMI] 27.0-27.9, adult

  • Z68.28

    Body mass index [BMI] 28.0-28.9, adult

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