<<Disclaimer: Verify this information before applying it to your situation.>> Rose Mary, a list member, emailed this info to me regarding the tTG test: "The actual blood testing at U of Md is free. The only cost is for blood draw and overnight shipping. You can use the disposable freezer packs, so the cost is very low. Because the project is for research, they are not allowed to charge. Rose Mary in W. Ky." Vicki