Z20
Contact with and (suspected) exposure to communicable diseases
Persons with potential health hazards related to communicable diseases (Z20-Z29)
Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)
85 codes in this range
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
Z21
Asymptomatic human immunodeficiency virus [HIV] infection status
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
Z23
Encounter for immunization
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
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