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Z20 - Contact with and (suspected) exposure to communicable diseases


The ICD 10 Code for Contact with and (suspected) exposure to communicable diseases is listed as Z20.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Z20
Description: Contact with and (suspected) exposure to communicable diseases
  • Excludes1: carrier of infectious disease (Z22.-)
  • diagnosed current infectious or parasitic disease -see Alphabetic Index
  • Excludes2: personal history of infectious and parasitic diseases (Z86.1-)
Chapter Factors influencing health status and contact with health services (Z00-Z99)
ICD-10-CM Children (deeper level / typically more specific) of Z20:
Z20.0 - Contact with and (suspected) exposure to 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
Z20.8 - Contact with and (suspected) exposure to other communicable diseases
Z20.9 - Contact with and (suspected) exposure to unspecified communicable disease