However, your search isn't as nonsensical as it might first appear. The number "19" points directly to the show's production history. After NBC cancelled the series, it was picked up by ABC for what was intended to be a final farewell season. This brings us to the most likely explanation for the "19" in your search:
The core of the collection follows J.D. (Zach Braff) and his colleagues through their residency at Sacred Heart Hospital. The series became "appointment television" by blending absurdist daydreams with raw emotional sincerity. The Transition (Season 9): Often titled Scrubs: Med School
So, if you see a "19 seasons" collection, it's almost certainly a mislabeled reference to this 19-episode eighth season. The true, complete collection is and always will be .