His wife had initially requested to have the test done at the Police Hospital under the supervision of the Criminal Investigations Department.
But Pulse.com.gh now understands it will be done at a private facility in Accra which was initially proposed by Gyan.
99% of things people say about me are false: Asamoah Gyan
The date for the test has fixed on Wednesday 26 December, 2018.
The request for the paternity test comes after Gyan filled for an annulment of his five-year marriage.
Gyan and Gifty have been together since 2003 and got married in 2013 after their second child was born.