Elliott carried the ball 14 times for 39 yards and a touchdown and caught one of two targets for six yards in Sunday's 27-21 loss to the Bills.
Elliott (illness) doesn't have an injury designation for Sunday's game against the Bills.
Elliott (illness) returned to practice Friday. Doug Kyed of the Boston Herald reports.
Elliott didn't practice Thursday due to an illness.
Elliott's teammate Rhamondre Stevenson (ankle) was placed on injured reserve Wednesday.
Elliott is expected to remain the Patriots' lead back for Sunday's game in Denver with Rhamondre Stevenson (ankle) ruled out for a third consecutive contest.
With Rhamondre Stevenson (ankle) ruled out for Sunday's game against the Chiefs, Elliott again should handle the majority of the Patriots' backfield work.
Elliott (thigh) was removed from the Patriots' second Week 14 injury report Tuesday.
Elliott (thigh) was listed as a limited participant on Monday's practice estimate.
Elliott (thigh) rushed 17 times for 52 yards and caught four of five targets for 40 yards in Sunday's 6-0 loss to the Chargers.