As you know from this article a normal TSH range depending on the lab is around 0.5 to 5.0 which is why your TSH of 4.46 was determined normal, however the very fact that your first TSH test showed up 6.49 should be reason to investigate further.
Liver Ultrasound Preparation guidelines. 1  Do not drink or eat at least 6 hours before the test. 2  On the day before the test, do not eat â fresh fruits and vegetables, fried and oily food, milk, eggs, bread. 3  What you should eat â cooked vegetables, puree, marmalade, honey, roasted bread, soup, and rice.
You may eat regularly prior to the ultrasound exam unless you are also scheduled for an abdominal ultrasound (see abdomen for details. You are asked to fill your bladder by drinking 40 oz of water (4-5 8oz glasses) two hours before your exam. Do not urinate before the exam.