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More COVID-19 resources: Testing | Patient safety | Care and services | Visitor policy 


Drug testing procedure - VSAS Clerkships

Students who are required to complete a drug test for their application for an away rotation (non-UW) through the Visiting Student Application Service (VSAS) have the option of completing a drug test through the SOM's vendor, Castlebranch.  The SOM will receive the results from this drug test.  The SOM can verify drug testing compliance on VSAS only if the drug test is done through the SOM.  The SOM cannot verify results unless the drug test is completed through the Castlebranch portal below.

UW School of Medicine drug screening policy.

The 11-panel urine drug screen includes the following:

  • Amphetamine (methamphetamine)
  • Barbiturates
  • Benzodiazepine
  • Cocaine
  • Marijuana
  • Methadone
  • Methaqualone
  • Opiates (codeine & morphine)
  • Phencyclidine
  • Propoxyphene
  • Oxycodone

Step 1. Accessing portal: and click on "place order".

Step 2. Click Please select and choose program – "Current Students"

Step 3.  If you are located in Seattle, select "Seattle DT".  If you are located outside Seattle, select "WWAMI DT". 

Step 4.  Enter the email address / user name associated with your Castlebranch immunizations account

Step 5. Click on the package code and begin the order process - you will need to check the box next to 'I have read this information.' - Next view and read the terms and conditions, you will need to check the box to move forward. IMPORTANT:  the zip code you enter for your "current address" will determine which lab CB routes you to.

Step 6. Follow the step-by-step instructions to finish placing the order. The cost is $43.  This is a student expense and not reimbursable by the UWSOM.

Step 7. You will print out a form which you will take to the lab in your area.  The lab will send the final results to Castlebranch where the UWSOM can view the report.  You should also have access to the report through your account with Castlebranch.

The UWSOM will indicate compliance with drug testing on your Evalue Personal Records tab.  We will enter the date of the drug test. The expiration will be one year later.  We will not upload the report to Evalue in order to protect your privacy.

Process for positive results for prescribed medications

If there is a positive result for a prescribed medication/s, a Castlebranch "Medical Review Officer" will be in touch with you and ask for documentation of your prescription. Once the review is completed, the results will be reported as negative and the UWSOM will not have any information about your medication/s.


You can receive a full refund as long as you cancel your order PRIOR to the collection.