Study suggests TSH levels up to 5.56 mIU/L may reflect normal physiological aging in adults aged 65–84, rather than clinical ...

Blood concentrations of eosinophils and monocytes are part of the complete blood count. Reference ranges for these concentrations during the neonatal period, established by very large sample sizes and ...

A large study of more than 9,000 men has established harmonized reference ranges for total testosterone in men that when applied to assays that have been appropriately calibrated will effectively ...

What makes a biomarker a biomarker? Testing for something doesn’t automatically make it a biomarker. A biomarker is the measurement or detection of a variable element of the human body. Imaging can ...

The sex of an individual is typically assigned at birth based on the appearance of the external genitalia. Chromosomal testing can determine whether a person is biologically male (1 X chromosome and 1 ...

The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L) ...

If you’re waiting for lab test results to come back or you’re trying to figure out what they mean, the process and all those medical terms and numbers can be confusing. There are thousands of lab ...