Lead Sponsor

Banyan Biomarkers, Inc

Age

18 - 80 years

Sex

ALL

Healthy Volunteers

No

•1. At least 18 years of age and no more than 80 years of age.
•2. Closed injury to the head within 4 hours from symptom onset.
•3. Glasgow Coma Scale (GCS) Score of 9-15.
•4. Head Computerized Tomography (CT) performed as part of routine care.
•5. Subject is willing to undergo the Informed Consent process prior to enrollment.
•6. Based upon the Principal Investigator's opinion, subject is an appropriate candidate for the study.

•1. Participating in another clinical study that may affect the results of either study.
•2. Time of injury cannot be determined.
•3. Head CT not done as part of clinical emergency care.
•4. Primary diagnosis of ischemic or hemorrhagic infarct.
•5. Not available for 35 day follow-up visit.
•6. Venipuncture not feasible.
•7. Blood donation within 1 week of screening.
•8. The Subject is otherwise determined by the Investigator to be medically unsuitable for participation in this study.