ICDwise
Z00–Z99

Factors Influencing Health Status

Preventive care, screenings, immunizations

1,844 codes · FY2026 · ICD-10-CM · Page 7 of 37

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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