Z20 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Contact with and (suspected) exposure to communicable diseases.
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Carrier of infectious disease (Z22.-)
Diagnosed current infectious or parasitic disease -see Alphabetic Index
Personal history of infectious and parasitic diseases (Z86.1-)
Contact with and (suspected) exposure to intestinal infectious diseases
Contact with and (suspected) exposure to tuberculosis
Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission
Contact with and (suspected) exposure to rabies
Contact with and (suspected) exposure to rubella
Contact with and (suspected) exposure to viral hepatitis
Contact with and (suspected) exposure to human immunodeficiency virus [HIV]
Contact with and (suspected) exposure to pediculosis, acariasis and other infestations
Contact with and (suspected) exposure to other communicable diseases
Contact with and (suspected) exposure to unspecified communicable disease
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