Roberts, 52, is a breast cancer survivor who underwent a bone-marrow transplant to treat the rare blood disorder, myelodysplastic syndrome, in September. She since has been recuperating at her New York home.
"It's a matter of weeks, not months," Roberts said from her apartment on Monday's show, referring to her return to the show. "I'm coming home."
The beloved broadcast journalist said she plans to take a "dry run" to the morning program's set next week to see how she feels after having her makeup done, meeting with her colleagues and being exposed to the hot lights used in the television studio before she starts planning her full-time return to work.
"My last bone marrow aspiration showed no abnormalities -- praise God," Roberts said. "What all this means is, doctors were waiting for this information so that I can begin the process of returning to the anchor chair. ... I haven't been live on television since August. ... My heart is beating so fast right now, but it means that I am alive. I am so grateful to be as inspired as I am. I can't wait until I get back."
Roberts' announcement contradicts a recent TMZ report stating she wasn't expected to be strong enough to return to the show until May or June.