Ludvig was placed on waivers by the Avalanche on Wednesday, Evan Rawal of the Denver Gazette reports.
Ludvig was called up from AHL Colorado on Saturday.
Ludvig is joining AHL Colorado for a conditioning assignment, the Avalanche announced Saturday.
Ludvig has played just five times over 21 games since the start of November after being scratched Saturday versus the Predators.
Ludvig was claimed off waivers by Colorado from Pittsburgh on Saturday, Elliotte Friedman of Sportsnet reports.
Ludvig was placed on waivers by the Penguins on Friday, Elliotte Friedman of Sportsnet reports.
Ludvig (wrist) will be ready for the beginning of training camp, the team announced Tuesday.
Ludvig underwent wrist surgery April 24, the team announced Wednesday. He's expected to need four-to-six months to recover.
Ludvig spent the final nine games of the season as a healthy scratch.
Ludvig (illness) will serve as a healthy scratch against the Maple Leafs on Monday, Matt Vensel of the Pittsburgh Post-Gazette reports.