Sex Hormone Binding Globulin (SHBG)
ZRT Laboratory
Sample type: Bloodspot
Requires fasting: No
At home test
Details
This test measures sex hormone-binding globulin (SHBG). SHBG is made by the liver and is the main binding protein for Estradiol and Testosterone. Testing SHBG with total hormone levels allows for determination of free hormone levels.
- Sex Hormone Binding Globulin, Blood Spot
Estimated days for results: Results should arrive 8-10 business days after the lab receives samples.
8–10 business days
Before You Start
3 Days Before Collection
2 Days Before Collection
1 Day Before Collection
Day of Collection
- Read the provided test collection instructions carefully.
- Watch the test collection video.
- You can collect your sample at any time.
- Talk to your healthcare provider before collection if you are taking steriods.
- Collect your sample halfway between doses of these medications.
- Hormone patches
- Vaginal rings
- Hormone pellets
- Hormone injectables
3 Days Before Collection
- DO NOT use anti-aging/anti-wrinkle face creams.
- DO NOT take biotin/vitamin B7.
- DO NOT take 7-keto DHEA.
2 Days Before Collection
- Stop applying topical hormones with your bare hands. Use latex gloves, an applicator, or a hormone-loaded syringe.
- Stop applying topical hormones on your face, lips, and neck.
1 Day Before Collection
- If you use topical hormones, change your sheets, pillowcases, and hand towels the night before collection.
- DO NOT touch any surfaces that may be contaminated with topical hormones.
- Take any night oral, topical, troche, or sublingual hormones at least 12 hours Before Collection.
Day of Collection
- Collect your sample within one hour of waking.
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
