Carrier of infectious disease
In Persons with potential health hazards related to communicable diseases (Z20-Z29), chapter 21: Factors Influencing Health Status and Contact with Health Services
20 billable codes under Z22: none are a CC or MCC; none map to an HCC.
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Instructional notes
Includes: conditions that are coded here
- colonization status
- suspected carrier
Excludes2: not included here, code separately if applicable
- carrier of viral hepatitis (B18.-)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.
All codes under Z22
Z22 can't be used on a claim. Pick a billable code below; grey headings group them.
- Z22.0Carrier of typhoid
- Z22.1Carrier of other intestinal infectious diseases
- Z22.2Carrier of diphtheria
- Z22.3Carrier of other specified bacterial diseases
- Z22.31Carrier of bacterial disease due to meningococci
- Z22.32Carrier of bacterial disease due to staphylococci
- Z22.321Carrier or suspected carrier of Methicillin susceptible Staphylococcus aureus
- Z22.322Carrier or suspected carrier of Methicillin resistant Staphylococcus aureus
- Z22.33Carrier of bacterial disease due to streptococci
- Z22.330Carrier of Group B streptococcus
- Z22.338Carrier of other streptococcus
- Z22.34Carrier of Acinetobacter baumannii
- Z22.340Carrier of carbapenem-resistant Acinetobacter baumannii
- Z22.341Carrier of carbapenem-sensitive Acinetobacter baumannii
- Z22.349Carrier of Acinetobacter baumannii, unspecified
- Z22.35Carrier of Enterobacterales
- Z22.350Carrier of carbapenem-resistant Enterobacterales
- Z22.358Carrier of other Enterobacterales
- Z22.359Carrier of Enterobacterales, unspecified
- Z22.39Carrier of other specified bacterial diseases
- Z22.4Carrier of infections with a predominantly sexual mode of transmission
- Z22.6Carrier of human T-lymphotropic virus type-1 [HTLV-1] infection
- Z22.7Latent tuberculosis
- Z22.8Carrier of other infectious diseases
- Z22.9Carrier of infectious disease, unspecified
Z22 MS-DRG
As the principal diagnosis, all 20 billable codes under Z22 group to MS-DRG 951 (v44.0).
Other codes that refer to Z22
Notes on these codes point to Z22.
- CH1 Excludes2: carrier or suspected carrier of infectious disease (Z22.-)
- O99.83 Use Additional Code: code to identify the carrier state (Z22.-)
- R82.7 Excludes1: colonization status (Z22.-)
- R83.5 Excludes1: colonization status (Z22.-)
- R84.5 Excludes1: colonization status (Z22.-)
- R85.5 Excludes1: colonization status (Z22.-)
- R86.5 Excludes1: colonization status (Z22.-)
- R87.5 Excludes1: colonization status (Z22.-)
- R89.5 Excludes1: colonization status (Z22.-)
- Z20 Excludes1: carrier of infectious disease (Z22.-)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Infectious Diseases
Germs, or microbes, are found everywhere - in the air, soil, and water. There are also germs on your skin and in your body. Many of them are harmless, and some can even be helpful. But some of them can make you sick. Infectious diseases are diseases that are caused by germs.
Read more about infectious diseases on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.