While ASP takes into account the transactional in- formation AWP does not, WAC’s are the actual costs wholesalers pay when they buy drugs from manu- facturers. They are reported also directly by the distributors them- Page 2 -2- selves, as opposed to ASP, which is typically reported by companies such as McKesson.

Is AWP higher than WAC?

The difference between the WAC (what the pharmacy actually paid for the drug) and the reimbursement from insurance (based on AWP) is known as the spread, and equates to the profit that the pharmacy receives. Market pricing on brand name drugs tends to be roughly 15% less than the AWP.

What is the difference between ASP and AWP pricing?

median percentage difference between ASP and AWP is 49 percent. Even when factoring in the discounted AWP most States use to calculate the estimated acquisition cost for Medicaid drugs, ASP is still substantially lower. median, and for 216 multisource brand codes, ASP is 30 percent below AWP at the median.