Z00–Z99
Factors Influencing Health Status
Preventive care, screenings, immunizations
Z20.5
Contact with and (suspected) exposure to viral hepatitis
Billable
Z20.6
Contact with and (suspected) exposure to human immunodeficiency virus [HIV]
Billable
Z20.7
Contact with and (suspected) exposure to pediculosis, acariasis and other infestations
Billable
Z20.8
Contact with and (suspected) exposure to other communicable diseases
Non-billable
Z20.81
Contact with and (suspected) exposure to other bacterial communicable diseases
Non-billable
Z20.810
Contact with and (suspected) exposure to anthrax
Billable
Z20.811
Contact with and (suspected) exposure to meningococcus
Billable
Z20.818
Contact with and (suspected) exposure to other bacterial communicable diseases
Billable
Z20.82
Contact with and (suspected) exposure to other viral communicable diseases
Non-billable
Z20.820
Contact with and (suspected) exposure to varicella
Billable
Z20.821
Contact with and (suspected) exposure to Zika virus
Billable
Z20.822
Contact with and (suspected) exposure to COVID-19
Billable
Z20.828
Contact with and (suspected) exposure to other viral communicable diseases
Billable
Z20.89
Contact with and (suspected) exposure to other communicable diseases
Billable
Z20.9
Contact with and (suspected) exposure to unspecified communicable disease
Billable
Z21
Asymptomatic human immunodeficiency virus [HIV] infection status
Billable
Z22
Carrier of infectious disease
Non-billable
Z22.0
Carrier of typhoid
Billable
Z22.1
Carrier of other intestinal infectious diseases
Billable
Z22.2
Carrier of diphtheria
Billable
Z22.3
Carrier of other specified bacterial diseases
Non-billable
Z22.31
Carrier of bacterial disease due to meningococci
Billable
Z22.32
Carrier of bacterial disease due to staphylococci
Non-billable
Z22.321
Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus
Billable
Z22.322
Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus
Billable
Z22.33
Carrier of bacterial disease due to streptococci
Non-billable
Z22.330
Carrier of Group B streptococcus
Billable
Z22.338
Carrier of other streptococcus
Billable
Z22.34
Carrier of Acinetobacter baumannii
Non-billable
Z22.340
Carrier of carbapenem-resistant Acinetobacter baumannii
Billable
Z22.341
Carrier of carbapenem-sensitive Acinetobacter baumannii
Billable
Z22.349
Carrier of Acinetobacter baumannii, unspecified
Billable
Z22.35
Carrier of Enterobacterales
Non-billable
Z22.350
Carrier of carbapenem-resistant Enterobacterales
Billable
Z22.358
Carrier of other Enterobacterales
Billable
Z22.359
Carrier of Enterobacterales, unspecified
Billable
Z22.39
Carrier of other specified bacterial diseases
Billable
Z22.4
Carrier of infections with a predominantly sexual mode of transmission
Billable
Z22.6
Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
Billable
Z22.7
Latent tuberculosis
Billable
Z22.8
Carrier of other infectious diseases
Billable
Z22.9
Carrier of infectious disease, unspecified
Billable
Z23
Encounter for immunization
Billable
Z28
Immunization not carried out and underimmunization status
Non-billable
Z28.0
Immunization not carried out because of contraindication
Non-billable
Z28.01
Immunization not carried out because of acute illness of patient
Billable
Z28.02
Immunization not carried out because of chronic illness or condition of patient
Billable
Z28.03
Immunization not carried out because of immune compromised state of patient
Billable
Z28.04
Immunization not carried out because of patient allergy to vaccine or component
Billable
Z28.09
Immunization not carried out because of other contraindication
Billable
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