Should he appear for the Magpies, he would become the youngest ever player to play in Europe for the club - beating Andy Carroll's record of 17 years and 300 days set against Palermo in 2006.
Pardew said: "Adam will be in the Under-21s side - we'll field a strong team. Gael Bigirimana will play, Haris Vuckic will play, and so will James Tavernier.
"I need them to play, as I might need them this week.
"I just don't know."