The actor made the announcement in a lengthy tweet on Tuesday.
Fans thought this could imply that Heigl would be returning as a part of Meredith's 'COVID dream.'
On Monday, Isaiah Washington posted a photo of Katherine Heigl and accused her of saying he should never be allowed to speak publicly.
Washington, 57, posted a photo of Heigl, 41, and accused the actress of saying he shouldn't speak publicly.
ET sat down with the actor as he celebrated a career first, his first-ever movie sequel, 'The Equalizer 2,' in theaters July 20.
ET has a sneak peek of the new film premiering on TV One in February.
The TVOne original movie premieres on Feb. 11 at 7 p.m. ET.