Lab test
SHBG (Sex Hormone Binding Globulin) Levels Blood Test
Below is a plain-language overview of the shbg (sex hormone binding globulin) levels blood test. The SHBG Levels Blood Test measures the amount of sex hormone binding globulin in your blood.
What this test is
This test evaluates the levels of sex hormone binding globulin (SHBG) in the blood. SHBG is a protein that binds to sex hormones, including testosterone, dihydrotestosterone, and estrogens, regulating their access to tissues. The test helps assess hormone balance in the body.
What it measures
- Sex Hormone Binding Globulin (SHBG) — reflects the level of SHBG available to bind with sex hormones
What the test involves
The SHBG test involves a standard blood draw, typically from a vein in your arm. The sample is then analyzed in a laboratory.
Why it is often ordered
Clinicians may order this test to evaluate hormone levels and investigate conditions related to hormone imbalance. It can provide insights into issues with sexual development, fertility, or other hormone-related conditions.
Preparation
Preparation may vary, so it's important to follow the specific instructions provided by the laboratory conducting the test.
How results are reported
Results are reported as a concentration of SHBG in the blood. Reference ranges vary by laboratory, so it's important to discuss your results with a healthcare provider.
Before you go
- Test preparation requirements
- Sample collection process
- Result interpretation guidance
FAQ
Frequently asked questions
What is SHBG?
SHBG, or sex hormone binding globulin, is a protein that binds to sex hormones like testosterone and estrogen, controlling their activity in the body.
How do I prepare for the SHBG test?
Preparation instructions can vary, so it's essential to follow the guidance provided by the lab where your test will be conducted.
What can affect SHBG levels?
Various factors, including age, sex, liver function, and certain medications, can influence SHBG levels in the body.
Can SHBG levels indicate a health issue?
While abnormal SHBG levels can suggest a hormone imbalance, they are just one piece of the puzzle. Further evaluation by a healthcare provider is often needed.
Related
Related tests
Locations
Request SHBG (Sex Hormone Binding Globulin) Levels Blood Test by state
Choose a state for local context.