New Z Code for Contact with Zika

Effective 10/1/2018, a new code, Z20.821, Contact with and (suspected) exposure to Zika virus, has been added to identify contact with the Zika virus. The existing code for Zika virus, A92.5, Zika virus disease, only allows for the identification of an active Zika infection.

Prior to the addition of Z20.821, contact/exposure to Zika virus was reported with the other specified code Z20.828, Contact with and (suspected) exposure to other viral communicable diseases.

It is appropriate to report code Z20.821 in the following situations:

  • Suspected exposure to Zika virus, pending test results
  • Suspected exposure to Zika virus, followed by negative test results
  • Confirmed exposure to Zika virus, followed by negative test results

For positive test results following exposure to Zika virus, report code A92.5.

As a reminder, do NOT start reporting Z20.821 for dates of service prior to October 1, 2018.

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