The “Cheers” star died from cardiac arrest that resulted from other underlying causes such as congestive heart failure, coronary artery disease and hypertension, according to a death certificate from the Los Angeles County Department of Public Health, obtained by PEOPLE.

According to the death certificate, the beloved “Cheers” actor died from cardiac arrest, TMZ reported. Underlying causes were congestive heart failure, coronary artery disease and hypertension, with other contributing conditions such as end-stage renal disease and hyperlipidemia, or high cholesterol.