Lamar Odom Reportedly Checks Out of Rehab After Month-long Stint for Substance Abuse

NEW YORK, NY - APRIL 20:  NBA player Lamar Odom attends the Tribeca/ESPN Sports Film Festival  Gala for Benji during the 2012 Tribeca Film Festival at the Borough of Manhattan Community  College on April 20, 2012 in New York City. (Photo by Michael Loccisano/Getty Images)
NEW YORK, NY – APRIL 20: NBA player Lamar Odom attends the Tribeca/ESPN Sports Film Festival Gala for Benji during the 2012 Tribeca Film Festival at the Borough of Manhattan Community College on April 20, 2012 in New York City. (Photo by Michael Loccisano/Getty Images)

Lamar Odom is checking out of rehab, PEOPLE has learned.

The former Los Angeles Lakers star has finished his month-long stint at a Los Angeles rehabilitation center and will be leaving on Thursday, a source confirms to PEOPLE.

“Lamar is leaving rehab today,” says the insider. “He’s doing great and he’s happy. He’s heading home to LA. He has the support of friends and family and his kids visited him last week.”

In his first photo since leaving rehab, Odom, who sat down for an on-camera interview with The Doctors to discuss his decision prior to entering the facility, is seen smiling.

Odom checked into the facility in early December where he took part in a substance abuse program. At the time, a source revealed to PEOPLE that the 37-year-old was in fact clean, but wanted to take additional measures to get his health back on track.

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SOURCE: PEOPLE, Aili Nahas and Brittany King