The Predators updated Jarnkrok's status Thursday .
Jarnkrok was hurt Tuesday night in a 3-1 win over Winnipeg when he was checked by Jets forward Andrew Copp during the third period. Jarnkrok went to the locker room and was seen wearing a sling around his right arm leaving the arena.
The forward had tied his career high with 16 goals and already has a career-high 35 points, ranking eighth on the Predators in points.
The Predators went into Thursday night's game at Arizona leading the Central Division by eight points over Winnipeg.