The league has a stringent concussion policy and while Gasol has shown improvement, "he is still not cleared to play basketball," according to the website. Gasol was examined by Dr. Vern Williams.
Additionally, Dwight Howard is scheduled to be reevaluated next week and will miss Friday night's game against the Thunder with a shoulder injury.
The Lakers are also without Jordan Hill, their top reserve big man, who is out with a "small tear to the labrum of his left hip" and will be looked at again next week.
Steve Blake is also trying to return from abdominal surgery, but he too may be a couple of weeks away from a return.
The short-handed Lakers (15-20) have lost five in a row going into their game against the 27-8 Thunder.ALSO: