Ryan (not injury related) has returned to training at Ottawa's Canadian Tire Centre, Bruce Garrioch of the Ottawa Sun reports.
Ryan will take a leave from the Senators in order to participate in the league's player assistance program, the NHL and NHLPA announced Wednesday.
Ryan will enter the lineup for Monday's game against the Hurricanes.
Coach D.J. Smith said Sunday that Ryan will be a healthy scratch for Sunday's game against San Jose, Brent Wallace of TSN.ca reports.
Ryan tallied an assist in 15:20 of ice time during Wednesdays 5-2 win over Detroit.
Ryan scored on one of his three shots in Ottawa's 5-3 loss to Toronto on Wednesday.
Ryan (undisclosed) is expected to play in Saturday's regular-season finale against the Blue Jackets, Bruce Garrioch of the Ottawa Sun reports.
Ryan will not play Thursday due to an injury suffered while blocking a shot during Wednesday's contest against the Rangers, TSN 1200 reports.
Ryan (hand) will be in the lineup for Saturday's game against the Bruins.
Ryan suffered a hand injury during Thursday's 4-2 loss to the Islanders, Brent Wallace of TSN.ca reports.