By Ike Swetlitz
February 14, 2018
The Food and Drug Administration gave a green light Wednesday for the first
time to a blood test that doctors can use to help rule out concussions.
The Brain Trauma Indicator, marketed by Banyan Biomarkers Inc., measures the
levels of two proteins - called UCH-L1 and GFAP - whose elevated presence
suggests a certain type of brain damage normally only visible on a CT scan.
The test takes three to four hours, and doctors could use it to determine
which patients need a CT scan to confirm the damage and which patients can