Cranston filmed himself outside the UCLA Blood and Platelet Centre, before sharing some banter with the doctor inside.
Actor Bryan Cranston is the latest Hollywood figure to go public with a COVID-19 diagnosis and donate plasma to the cause.
"About now you're probably feeling a little tied down, restricting your mobility and like me, you're exhausted of this", Cranston, 64, captioned the clip.
The Breaking Bad star posted a video on Instagram saying he felt "very lucky" to have suffered "very mild symptoms" and wanted to do something to help. Now recovered and with the antibodies, he has chose to donate plasma to aid scientific research of the virus.More news: Rudy Gobert Fittingly Scores First Official Bucket in NBA Bubble
Breaking Bad star Bryan Cranston says he was "pretty strict" in adhering to coronavirus protocols - but he still contracted the virus. "I contracted the virus", Cranston wrote in the lengthy caption of his video PSA.
He added, "Yep.it sounds daunting now that over 150,000 Americans are dead because of it".
"I was one of the lucky ones", he wrote.
At a time when the United States has seen record Covid-19 case numbers, Cranston urged people "to wash your hands, social distance and wear a mask!".More news: WNBA announces plan to begin 2020 season
Cranston said he hoped his video would inspire those who know they battled COVID-19 to consider donating plasma too. "We can prevail - but ONLY if we follow the rules together".
"Hopefully the plasma donation can help some other people", he said. He said the process took about an hour, during which he watched "A Face in the Crowd" starring Andy Griffith and Patricia Neal.
It then cuts to him joking with a nurse called Ron, who proceeds to collect 840ml of plasma from the blood in his arm.More news: Epstein's ex-girlfriend tries late bid to seal testimony