NFL star Terrell Owens was hospitalized in L.A. last week -- after someone called 911 to report a medical emergency at an apartment where the football player had been staying ... TMZ has learned.
An ambulance was sent to the apartment at 11:02 PM Thursday night -- and police arrived soon after.
Officials are not disclosing the nature of the emergency -- or explaining why cops were called to the scene.
We're told T.O. had already been rushed away by ambulance by the time cops arrived to the apartment, so they followed up with the football star at the hospital.
He has since been released from the hospital.
We placed calls to T.O.'s reps for comment -- so far, no response.
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