Amphetamine Screen
Amphetamine Screen can be requested without a referral, and this overview covers what to expect. An amphetamine screen is a blood test that detects amphetamine-class drugs, including prescription stimulants and illicit forms. It is ordered when a healthcare provider needs a quick indication of recent use, such as in emergency care, monitoring prescribed therapy, or workplace testing.
- Sample type
- blood
- Category
- Drug & Urine Screening
- Turnaround
- 1-3 business days
- Price
- $199
- Referral
- Not required
An amphetamine screen is a blood test that detects amphetamine-class drugs, including prescription stimulants and illicit forms. It is ordered when a healthcare provider needs a quick indication of recent use, such as in emergency care, monitoring prescribed therapy, or workplace testing.
What it measures
- Amphetamine — The parent drug; its presence suggests recent use.
- Methamphetamine — A closely related stimulant that may be detected separately.
- MDMA (Ecstasy) — Sometimes included because it can cross-react with amphetamine tests.
- Prescription stimulants — Drugs like Adderall or Ritalin may trigger a positive screen.
Who it is for
Emergency doctors, psychiatrists, primary care providers, or employers may order this test. It is not a routine screening for all adults.
Preparation
No fasting or special preparation is usually required. Tell the provider about any prescription or over-the-counter medicines you take, as some can affect results.
Results and what they mean
Results are reported as positive (detected) or negative (not detected), sometimes with a level. A positive screen does not confirm a diagnosis; a clinician interprets it alongside your history and may order a more specific confirmatory test. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the amphetamine screen is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Can my prescription Adderall cause a positive result?
Yes. Many prescription stimulants can trigger a positive screen. Your provider should know your medication list.
How long after use can this test detect amphetamines?
Detection windows vary by drug, dose, and individual factors. Blood tests generally detect recent use, often within hours to a day or two.
Is a positive result always accurate?
No. Some cold medicines, diet aids, or other drugs can cause false positives. A confirmatory test is often needed.
Is this test confidential?
Yes. Results are protected health information and are shared only with those you authorize or as required by law.