Just thanking you for the suggestion to drink more water. I did that and I’m told the GFR went from 49 to 60.1. Could that be wrong? It’s strange that the only two times it’s gone up it’s just above the baseline. In Feb it was 49. Could it change that much in 2 weeks? I’m never dehydrated before a lab test because I drink at least 16 oz of water after taking a thyroid pill every morning. Thanks again for your comments.