My pain management office took my sample, then ships it 2400 miles to be tested. Going by what's on my copy and from calling the lab, from sample given to test performed, it was 79.5 hours in between. I know nothing of the time, except what I've read. Most say 24 hours, even refrigerated. Note:the lab im dealing with..
Millennium Health from San Diego,Ca...if you know their story, you know the track record......