What Does ASO Mean In Health Insurance? 
ASO means Administrative Services Only . A number of small and large companies partially self insure or self insure for their health insurance paying all claims up to a specfic dollar amount for each employee . They purchase stop loss insurance to cover large claims above a that specific dollar amount . ASO means that the insurance carrier is only providing administrative services and providing a PPO network for the company that is self-insuring . If your employer is self insured they are using a carrier or Third Part Administrator -LRB- TPA -RRB- to handle those services which is why it is ASO . 