Z20 is the ICD-10 code for Contact with and exposure to communicable diseases. It is a three-character category divided into 10 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block Z20–Z29 (Persons with potential health hazards related to communicable diseases) in Chapter XXI, Factors influencing health status and contact with health services.
- Code type
- Category (3 characters)
- Chapter
- XXI · Z00–Z99
- Classification
- WHO ICD-10, 2019 version
Subcodes of Z20
- Z20.0Contact with and exposure to intestinal infectious diseases
- Z20.1Contact with and exposure to tuberculosis
- Z20.2Contact with and exposure to infections with a predominantly sexual mode of transmission
- Z20.3Contact with and exposure to rabies
- Z20.4Contact with and exposure to rubella
- Z20.5Contact with and exposure to viral hepatitis
- Z20.6Contact with and exposure to human immunodeficiency virus [HIV]
- Z20.7Contact with and exposure to pediculosis, acariasis and other infestations
- Z20.8Contact with and exposure to other communicable diseases
- Z20.9Contact with and exposure to unspecified communicable disease
Z20 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DZ20Kontakt med eller udsat for smitte med overførbare sygdomme
Z20Altistuminen tartuntataudeille
Z20Kontakt mit und Exposition gegenüber übertragbaren Krankheiten
Z20Sujets en contact avec et exposés à des maladies transmissibles
Z20contact met en blootstelling aan overdraagbare ziekten
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free