Confirmed cases of the Zika virus should be classified using the following code:

  • U06.9 Emergency use of U06.9

This is in accordance with the World Health Organization (WHO) directive for international data collection concerning this outbreak.

The codes found in the block range U00–U49 of Chapter XXIII of the ICD-10-CA (International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Canada) are reserved for provisional and emergency use and may be used only at the direction of the WHO.

A question and answer on this coding topic was posted in January 2016 in the eQuery database.

For further information concerning travel advisory and risk level to Canadians, please visit the Public Health Agency of Canada website: