Z20 Contact w and (suspected) exposure to communicable diseases
ICD-10-CM category Z20 sits in Chapter 21 (Factors influencing health status and contact with health services, Z00-Z99). It contains 18 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
Z20.0 Contact w and exposure to intestinal infectious diseasesZ20.8 Contact w and exposure to oth communicable diseasesZ20.81 Contact w and exposure to oth bact communicable diseasesZ20.82 Contact w and exposure to oth viral communicable diseases
Billable codes in Z20
| Code | Description |
|---|---|
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 |
Z20.810 | 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 |
Z20.820 | 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 |
Search within ICD-10-CM for Z20 and related codes
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