Overview
Blood testing is the most accurate method for detecting current impairment because it measures the actual presence of drugs in the bloodstream. It has the shortest detection window and is considered the gold standard for legal and medical purposes.
Who Should Get This Test?
Medical professionals assessing current intoxication, law enforcement in DUI/DWI cases, accident investigators, and employers requiring the highest accuracy for recent use.
What to Expect
A phlebotomist draws one or more vials of blood. The procedure takes 5-10 minutes. Results are typically available in 2-5 business days depending on the substances screened.
How to Prepare
Fasting is not typically required. Stay hydrated. Bring photo ID. Some tests may require specific timing relative to suspected use.
Common Uses
DUI/DWI cases, accident investigation, medical emergencies, legal proceedings
Accuracy
Highest accuracy for current impairment; considered the gold standard
Detection Window
Earliest Detection: 0 days post-use
Typical Detection: 1 days
Maximum Detection: 2 days
Blood tests detect active drug presence. Most substances clear from blood within hours to 1-2 days.
Limitations
Invasive; expensive; very short detection window; requires trained phlebotomist
Frequently Asked Questions
Cost & Pricing
The Blood Drug Test typically costs between $89 and $199 when ordered directly through a certified lab. Prices may vary by location.
Learn More: Visit the SAMHSA Drug Testing Information for additional details from the Substance Abuse and Mental Health Services Administration.