Don't think so, but honestly I dont really see a reason for that, 90% of boss/mob healing is interuptable. Only one I can think of that is not interuptable is Elden Hollows Bogdan on HM, but thats so weak u should just DPS through.
GM of the progressive raiding Guild Ghosts and Goblins | Recruitment: Open Roster
Flák - 50 Magicka DK DD
Toxic Flák - 50 Stamina DK DD
Flakká - 50 Magicka NB DD
Sonic Flák - 50 Stam-Sorc DD
Flákjack - 50 Stamplar DD
Flák the Ripper - 50 StamNB DD
Flakster - 50 Magicka Sorc DD
Overwhelming Flak - 50 Magicka Templar Healer/DD
Full Metal Flák - 50 Stamina DK Tank
All Pact