Cepheid

GeneXpert Express System

Xpress System (Hub Configuration) Quick Reference Guide Rev B April 2020

Quick Reference Guide

2 Pages

Quick Reference Instructions for Xpert® Xpress SARS-CoV-2 and GeneXpert Xpress System (Hub Configuration) For use under the Emergency Use Authorization (EUA) only. The user should be trained in the procedure. Wear the appropriate protective attire for your safety when handling patient samples. Clean testing surfaces according to your institution’s policy. This test is only for nasopharyngeal swab, nasal swab, and mid-turbinate swab specimens. Read the complete Quick Reference Instructions before performing the test. For assistance, call Cepheid Technical Support at (888) 838 3222.  I Storage and Handling and Warnings Storage and Handling  • •  Wear gloves. Change gloves between processing each sample. Store the Xpert Xpress SARS-CoV-2 cartridges at 2-28 °C.  Warnings • • • • • • •  DO NOT use a cartridge that is wet or has leaked. DO NOT use a cartridge that has been dropped. DO NOT open a cartridge lid until you are ready to perform testing. DO NOT shake or tilt the cartridge after adding the sample. DO NOT reuse disposable pipettes or cartridges. DO NOT turn off or unplug the instrument while a test is in progress as this will stop the test. DO NOT use a cartridge that has a missing or damaged reaction tube.  Refer to the Package Insert for Warnings and Precautions, Specimen Collection and Handling, and Quality Control Testing.  II How to Start the Software 1 Start Software  a. Put on a pair of clean gloves. b. Turn on the GeneXpert Xpress instrument. c. Turn on the Hub computer. The Windows lock screen appears. Swipe up to continue. d. Enter the Windows password and touch the arrow next to the password field. e. The GeneXpert Xpress Software login screen appears f. Manually enter user name and password in Step 2a or if enabled, scan ID card in Step 2b.  2a Enter Password  a. Touch the User Name field to display the virtual keyboard. b. Enter your user name and password. c. Touch the X in the upper right of the virtual keyboard. d. Touch the Login button.  2b Scan ID Card  If enabled, log in by scanning the barcode on your institutional ID, as shown below.  3 The HOME Screen Displays.  The HOME screen will display the module status and the NEW TEST button.  III How to Test a Patient Specimen Before You Begin: • • •  Refer to the package insert for more information. Read through this entire Quick Reference Instructions before beginning a test. Instructions on how to prepare the specimen and the cartridge (presented below) are also shown in a video within the software.  • •  1 Start a Test.  3 Scan and Confirm Cartridge  a. Touch NEW TEST on the HOME screen. b. Check that the specimen tube cap is closed.  2a Enter/Scan Patient ID and touch CONTINUE. Confirm Patient ID.  Start the test within 30 minutes of adding the specimen to the cartridge. The recommended environmental operating conditions for Xpert Xpress SARS-CoV-2 are 15-30°C, 20-80% relative humidity.  4 Watch Video. Mix Specimen.  a. Watch video before performing Steps 5, 6, and 7. The video will repeat. Touch the CONTINUE button to exit video. b. Mix specimen by rapidly inverting the specimen transport tube 5 times. Open the cap on the specimen transport tube. c. Open the cartridge lid.  2b Enter/Scan Sample ID and touch CONTINUE. Confirm Sample ID.  * If applicable, enter your user name and password.  5 Fill Pipette with Sample.  a. Remove the pipette from the wrapper. b. Squeeze the top bulb of the pipette completely and then place the pipette tip in the specimen transport tube. c. Release the top bulb of the pipette to fill the pipette with sample from the patient specimen tube.  6 Transfer Sample to Cartridge.  a. Squeeze the top bulb of the pipette completely again to empty the contents of the pipette into the large cartridge opening (Sample Chamber).  7 Close Cartridge Lid.  a. Close the cartridge lid.  8 Load Cartridge.  a. Open the instrument door with the blinking green light. b. Load the cartridge with barcode facing the operator on the cartridge bay platform.  Sample Chamber Large Opening  b. Dispose of the used pipette in an appropriate waste container. c. Close the door until it clicks.  9 Remove Cartridge. View Results.  a. When the test is completed, the screen text will change to COMPLETE and the door unlocks. b. To view test report, touch the REPORT button then swipe across the screen from left to right to minimize screen and view report. c. Dispose of the cartridge and gloves according to your institution’s policy. d. To log out, tap the User Menu icon , then tap Logout.  2020 Cepheid  10 How to Start a New Test. a. Put on a new pair of gloves if performing a new test. b. Touch the HOME button to go to the Home Screen. c. For a new user log in, touch the User Menu icon to log in. d. Start a new test following the steps in this section starting with Step 1, Start a Test. Or for starting a test while a test is running, see Step 11.  11 Starting a Test While a Test is Running.  a. Put on a new pair of gloves if performing a new test. b. Touch the HOME button on the Test Running screen to go to the Home Screen. c. For a new user log in, touch the User Menu icon to log in. d. Start a new test following the steps in this section starting with Step 1, Start a Test.  For IVD In Vitro Diagnostic Use Only  302-3752 Rev. B April 2020
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