Section Z20-Z29 | Persons with potential health hazards

Z20

Code hierarchy

Z20 Contact with and (suspected) exposure to communicable diseases
- Z20.0 Contact with and (suspected) exposure to intestinal infectious diseases
  - Z20.01 Contact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli)
  - Z20.09 Contact with and (suspected) exposure to other intestinal infectious diseases
- Z20.1 Contact with and (suspected) exposure to tuberculosis
- Z20.2 Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission
- Z20.3 Contact with and (suspected) exposure to rabies
- Z20.4 Contact with and (suspected) exposure to rubella
- Z20.5 Contact with and (suspected) exposure to viral hepatitis
- Z20.6 Contact with and (suspected) exposure to human immunodeficiency virus [HIV]
- Z20.7 Contact with and (suspected) exposure to pediculosis, acariasis and other infestations
- Z20.8 Contact with and (suspected) exposure to other communicable diseases
  - Z20.81 Contact with and (suspected) exposure to other bacterial communicable diseases
    - Z20.810 Contact with and (suspected) exposure to anthrax
    - Z20.811 Contact with and (suspected) exposure to meningococcus
    - Z20.818 Contact with and (suspected) exposure to other bacterial communicable diseases
  - Z20.82 Contact with and (suspected) exposure to other viral communicable diseases
    - Z20.820 Contact with and (suspected) exposure to varicella
    - Z20.821 Contact with and (suspected) exposure to Zika virus
    - Z20.822 Contact with and (suspected) exposure to COVID-19
    - Z20.828 Contact with and (suspected) exposure to other viral communicable diseases
  - Z20.89 Contact with and (suspected) exposure to other communicable diseases
- Z20.9 Contact with and (suspected) exposure to unspecified communicable disease

Contact with and (suspected) exposure to communicable diseases

Z21

Asymptomatic human immunodeficiency virus [HIV] infection status

Z22

Code hierarchy

Z22 Carrier of infectious disease
- Z22.0 Carrier of typhoid
- Z22.1 Carrier of other intestinal infectious diseases
- Z22.2 Carrier of diphtheria
- Z22.3 Carrier of other specified bacterial diseases
  - Z22.31 Carrier of bacterial disease due to meningococci
  - Z22.32 Carrier of bacterial disease due to staphylococci
    - Z22.321 Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus
    - Z22.322 Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus
  - Z22.33 Carrier of bacterial disease due to streptococci
    - Z22.330 Carrier of Group B streptococcus
    - Z22.338 Carrier of other streptococcus
  - Z22.34 Carrier of Acinetobacter baumannii
    - Z22.340 Carrier of carbapenem-resistant Acinetobacter baumannii
    - Z22.341 Carrier of carbapenem-sensitive Acinetobacter baumannii
    - Z22.349 Carrier of Acinetobacter baumannii, unspecified
  - Z22.35 Carrier of Enterobacterales
    - Z22.350 Carrier of carbapenem-resistant Enterobacterales
    - Z22.358 Carrier of other Enterobacterales
    - Z22.359 Carrier of Enterobacterales, unspecified
  - Z22.39 Carrier of other specified bacterial diseases
- Z22.4 Carrier of infections with a predominantly sexual mode of transmission
- Z22.6 Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
- Z22.7 Latent tuberculosis
- Z22.8 Carrier of other infectious diseases
- Z22.9 Carrier of infectious disease, unspecified

Carrier of infectious disease

Z23

Encounter for immunization

Z28

Code hierarchy

Z28 Immunization not carried out and underimmunization status
- Z28.0 Immunization not carried out because of contraindication
  - Z28.01 Immunization not carried out because of acute illness of patient
  - Z28.02 Immunization not carried out because of chronic illness or condition of patient
  - Z28.03 Immunization not carried out because of immune compromised state of patient
  - Z28.04 Immunization not carried out because of patient allergy to vaccine or component
  - Z28.09 Immunization not carried out because of other contraindication
- Z28.1 Immunization not carried out because of patient decision for reasons of belief or group pressure
- Z28.2 Immunization not carried out because of patient decision for other and unspecified reason
  - Z28.20 Immunization not carried out because of patient decision for unspecified reason
  - Z28.21 Immunization not carried out because of patient refusal
  - Z28.29 Immunization not carried out because of patient decision for other reason
- Z28.3 Underimmunization status
  - Z28.31 Underimmunization for COVID-19 status
    - Z28.310 Unvaccinated for COVID-19
    - Z28.311 Partially vaccinated for COVID-19
  - Z28.39 Other underimmunization status
- Z28.8 Immunization not carried out for other reason
  - Z28.81 Immunization not carried out due to patient having had the disease
  - Z28.82 Immunization not carried out because of caregiver refusal
  - Z28.83 Immunization not carried out due to unavailability of vaccine
  - Z28.89 Immunization not carried out for other reason
- Z28.9 Immunization not carried out for unspecified reason

Immunization not carried out and underimmunization status

Z29

Code hierarchy

Z29 Encounter for other prophylactic measures
- Z29.1 Encounter for prophylactic immunotherapy
  - Z29.11 Encounter for prophylactic immunotherapy for respiratory syncytial virus (RSV)
  - Z29.12 Encounter for prophylactic antivenin
  - Z29.13 Encounter for prophylactic Rho(D) immune globulin
  - Z29.14 Encounter for prophylactic rabies immune globin
- Z29.3 Encounter for prophylactic fluoride administration
- Z29.8 Encounter for other specified prophylactic measures
  - Z29.81 Encounter for HIV pre-exposure prophylaxis
  - Z29.89 Encounter for other specified prophylactic measures
- Z29.9 Encounter for prophylactic measures, unspecified

Encounter for other prophylactic measures

Section Z20-Z29 Persons with potential health hazards related to communicable diseases Z20-Z29

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