US Teen Dies After Being Rejected by Clinic for No Insurance

"He did not have insurance, so he was not treated," Parris said, adding that medical personnel at this emergency center, whose name was not released by authorities, advised the teen to go to the Antelope Valley Hospital emergency department, the public hospital in the area.

[telesurenglish.net]

In other words. The Los Angeles County Department of Public Health were instructed to create another excuse for the death to refute their initial report. An attempt to block any lawsuit that might seem warranted against the emergency clinic.

Other potential reasons could be drug use, and or self medication using any of those related to growing concerns that might feed the virus and or lead to other conditions that could expel coronavirus as being the sole condition. If they can manage a perception that his life wasn't in danger they can manage a disconcern towards fault for his loss of life.