The Ravens coaches are planning for Lewis to practice Wednesday, a source said.
Barring a setback, Lewis could return to the lineup for next week's home game against Denver, a contest that will figure prominently in determining which team might receive home-field advantage and a first-round playoff bye.
Suggs suffered a torn biceps in last Sunday's loss to the Pittsburgh Steelers, a league source told ESPN.
The Ravens have not officially commented on the status of the five-time Pro Bowler, but Suggs tweeted Monday that he will receive a second medical opinion to confirm the severity of the injury.
Information from ESPN NFL Insider Adam Schefter was used in this report.