Where did you find that data? Relatively small number of companies in any case - we need to start collecting Tier 2 or better for the major health insurers like Aetna and Blue Cross/Blue Shield (currently Tier 3).
Edit: Back on Wednesday, February 27, 2013 6:52:40 PM, Post #3122, I wrote:
Vascepa now Tier 1 for Aetna customers!
tinyurl.com/cfwthc6
Aetna Pharmacy Benefit Plan Type
Single Tier Open Formulary
Drug Name
VASCEPA
Found my own (old) post while googling "Vascepa tier drugs", was the 5th link on the page ;-) And good for me too, seeing I switched from UHC to Aetna the other day! Not a coincidence, more like serendipity....as soon as the ANCHOR indication is approved, that is....