'Significant concern' for the touring side after Atkinson is forced off suffering a hamstring problem.
The pace bowler increased the fitness woes of the England squad upon exiting the field during Saturday's play of the Boxing Day Test in the Ashes series.
Atkinson experienced discomfort in his hamstring post-delivery in his spell at the MCG.
The touring camp stated the 27-year-old had experienced "tightness" and required time on the sidelines in order to be assessed "over the next few hours".
The concluding match of the series beginning on 4 January gets underway this coming Sunday.
The English side has already lost strike bowlers one seamer to a knee injury and Jofra Archer to a side strain on the current trip.
A replacement bowler was added to the party as injury reinforcement.
The seamer had a tough time in the opening two Tests, claiming a mere a handful of scalps.
He was left out from the previous Test, only to be brought back for the fourth Test to fill the void.
The county bowler performed better in the fourth Test, bagging two scalps during the host's first knock, before adding 28 while batting as one of just three teammates who passed ten runs.
After bowling one over late on the first day, he resumed the next day and removed Scott Boland Scott Boland caught behind.
Unfortunately, at the end of his spell, he sent down a variation to the batsman and promptly felt for his hamstring.
The English bowler was recalled for the Melbourne match having missed of the third.