Laboratory Tests
Available Laboratory Tests:
Blood Spot Test
Blood Spot is the future of blood testing and is a convenient form of health and wellness testing. The development and application of blood spot testing allows monitoring of hormone levels, cardiometabolic markers and Vitamin D. The convenient collection of blood from a tiny nick of the finger, allows for flexibility of testing at the right time of day, month or following hormone therapy. Blood Spot testing provides results on par with those from serum tests but without the cost and inconvenience of conventional blood draws, making it beneficial for both patient and practitioner.
Hormones and other substances ZRT tests in blood spot & Saliva include:
- Estradiol (E2)
- Progesterone (Pg)
- Testosterone, total (T)
- DHEA-S
- Cortisol (C)
- Vitamin D: 25-OH Vitamin D2, 25-OH Vitamin D3, Total
- IGF-1 (Somatomedin C)
- Luteinizing Hormone (LH)
- Follicle-stimulating Hormone (FSH)
- Free Thyroxine (fT4)
- Free Triiodothyronine (fT3)
- Thyroid Stimulating Hormone (TSH)
- Thyroid Peroxidase Antibodies (TPO)
- Sex Hormone Binding Globulin (SHBG)
- Prostate Specific Antigen (PSA)
- Fasting Insulin
- Total Cholesterol (CH)
- LDL Cholesterol
- HDL Cholesterol
- VLDL Cholesterol
- Triglycerides (TG)
- Hemoglobin A1c (HbA1c)
- High-Senstivity C-Reactive Protein (hs-CRP)
Iodine Testing
Iodine plays many different roles in optimizing health and preventing disease. As a result, it is essential that proper iodine intake is maintained and problems associated with either inadequate or excessive iodine levels are identified. Deficiency in particular has become a global health problem. Accurate diagnosis may often be overlooked because the symptoms overlap with those of other illnesses, perhaps masking the problem.
Testing Iodine levels and treatment for both excessive or deficiency is emerging area of science that holds potential for improving your patient’s health and longevity.
ZRT Laboratory has developed a simple and convenient iodine test using urine dried on a filter strip. Validation studies in our laboratory have shown average iodine levels in the dried spot urine, collected from first morning and last night void and dried on a filter strip, are equivalent to iodine levels in a 24 hr urine collection. This makes the dried urine collection method far more convenient and simple – but the scientific equivalent – of the cumbersome 24 hr collection of urine in a jug.
Vitamin D Deficiency
Will you know when it's too late? ZRT now offers a simple, convenient and accurate test for screening Vitamin D levels.
Many physicians are responding to recent research linking a variety of disease states and general wellness to Vitamin D levels. Vitamin D deficiency (levels measured below 32 ng/ml) does not have obvious symptoms and can increase your risk for more serious diseases including flu, cardiovascular disease, osteoporosis and multiple sclerosis. In addition, an increased risk for strokes, diabetes (types 1 and 2), depression, and breast and colon cancer are closely linked to low Vitamin D levels.
CardioMetabolic Risk Testing
Understand your increased risk for cardiovascular disease and type II diabetes. Proper management of CardioMetabolic risk factors can support your overall wellness and provide effective tools for improved lifestyle and longevity. Risk factors may include high blood pressure and glucose, elevated triglycerides, abdominal obesity, physical inactivity, and smoking. A combination of at least three of these risk factors increases your risk for cardiovascular disease and type II diabetes. Take control of your health and wellness!
CardioMetabolic Profile covers a complete list of markers for assessing risk, including:
- High-sensitivity C-Reactive Protein (hs-CRP, a marker of inflammation)
- Hemoglobin A1C (HbA1c)
- Fasting Insulin
- Fasting Triglycerides
- Total cholesterol
- LDL cholesterol
- HDL cholesterol
- VLDL cholesterol
Hormone Tests
Saliva testing is a convenient, inexpensive, and above all, accurate means of testing steroid hormones. Scientific studies have shown a strong correlation between steroid hormone levels in saliva and the amount of hormone in the blood that is active or "bioavailable." Saliva is an ideal diagnostic medium to measure the bioavailable levels of steroid hormones active in the tissue. It is this fraction of total hormone that is free to enter the target tissues in the brain, uterus, skin, and breasts.
Gluten Testing through Cyrex Labs
- Mucosal Gluten Reactivity Screen
- Secretory IgA
- Gliadin IgA + IgM Combined
- Transglutaminase IgA + IgM Combined









