Parsons (undisclosed) was designated as non-roster on Tuesday, per CapFriendly.
According to general manager Brad Treliving, Parsons was "unable to satisfy quarantine rules" and thus won't participate in the Flames' training camp, Pat Steinberg of Sportsnet 960 The Fan reports.
Parsons accepted his one-year, two-way qualifying offer from the Flames on Friday, PuckPedia reports.
Parsons (ankle) has been cleared to return for AHL Stockton, Heat beat writer Mike Gould reports.
Parsons (ankle) will miss the Flames' training camp, Darren Haynes of The Athletic reports.
Parsons signed a one-year, two-way contract worth $735,000 at the NHL level with the Flames on Thursday.
Parsons stopped 39 of 41 shots in AHL Stockton's 3-2 win over Tucson on Saturday.
Parsons will defend the cage against the Jets on Friday, Pat Steinberg of Sportsnet 960 The Fan reports.
Parsons agreed to terms on a three-year, entry-level contract with the Flames on Sunday.
Parsons stopped all 30 shots he faced in OHL London's 7-0 win over Kingston on Friday.