You really need to email them...
Man
I have wrote Lab-Corp 3 times this weekend,,and got a reply Every time !....
Get this, Last night i wrote( i needed a kit sent to a diffrent addy then i gave) and got a reply in a few hours! And that on a Saterday!
Id bet if you email them today(sunday) youl get a reply by tonight or in the morring.
I love finding a company that will work with you on the weekends.