The 24-year-old failed a fitness test regarding a hip injury this morning, resulting in the arrival of Care.
"Ben is still suffering some discomfort in his hip area and is unable to run at full pace," said Lancaster. "He is making good progress and should be fit for consideration next week.
"We are fortunate that we can call on Danny who has been playing well for Harlequins and training hard with us."
The clash against Argentina will get underway at Twickenham tomorrow.