TITLE: V-CHEK Coronavirus (SARS-CoV-2) Antigen Detection Kit
AUTHORS: bill , covidtesting 

[STEPS]
?. [V-CHEK Test Procedure]
All specimens must be at room temperature before testing.
Expiration date:
Check expiration date on each individual test package or outer box before using. Do not use any test past the expiration date on the label.
Disposable gloves and safety glasses are recommended when running this test. Wash hands thoroughly after handling any patient sample.
?. [Prepare sample]
?. [Prepare sample]
500μL (~15 drops) Sample Extraction Buffer to supplied, compressible tube.
?. [Prepare sample]
Insert swab contaiing sample into the tube.  Extract the sample from the swab by pressing the swab on the inner walls of the tube at least 10 times.
?. [Prepare sample]
As the swab is being removed from the tube, squeeze the tube around the swab to remove liquid from the swab.
?. [Prepare sample]
Cover the tube with the supplied dripper head.
?. [Using the Analyzer CHF200]
?. [Using the Analyzer CHF200]
Step 1: Insert the ID Chip.
?. [Using the Analyzer CHF200]
Step 2: Read the ID Chip. Select the sample type and test items.
?. [Using the Analyzer CHF200]
Step 3: Add 100μL (3 drops) of the sample from the squeezable tube to the cassette's sample well.
?. [Using the Analyzer CHF200]
Allow the test to develop for the FULL 10 minutes BEFORE placing test cassette into Analyzer CHF200.In Quick Test Mode, Analyzer CHF200 will scan and display the test result in 15 seconds.Warning: Results must not be interpreted past 15 minutes after inoculation. Using the Analyzer CHF200 past this time may result in false results.
?. [Interpretation of the results]
?. [Interpretation of the results]
When the test is complete, the results will be displayed on the Analyzer CHF200 screen. The results can be automatically printed on the integrated printer if this option is selected. Test Lines will not be visible to the naked eye.
Results:The Analyzer CHF200 screen will display results
If the Result l is “invalid”,retest with a new patient sample and new Test Cassette.
?. [Interpretation of the results]
AB1Reader DisplayInterpretation2Result: PositiveSARS-CoV-2 antigen present3Result: NegativeNo SARS-CoV-2 antigen detected4Result: InvalidResult invalid due to control line issue
AB1Reader DisplayInterpretation2Result: PositiveSARS-CoV-2 antigen present3Result: NegativeNo SARS-CoV-2 antigen detected4Result: InvalidResult invalid due to control line issue
?. [Quality Control]
Negative Control
?. [Quality Control]
1. Insert the ID Chip and Read the ID Chip.2. Select the test mode “Standard Test” or “Quick Test”.     Refer to “Test Operation” and the Analyzer CHF200 User Manual for details. 3. Select the sample type “QC” on test interface.4. Add 100μL (3 drops) of the Negative Control to Cassette sample well.5. Test the Cassette by following Test Operation.6. Wait for the result. The result is “Negative“ means Negative QC pass.
?. [Quality Control]
Positive Control
?. [Quality Control]
1. Insert the ID Chip and Read the ID Chip.2. Select the test mode “Standard Test” or “Quick Test”.3. Select the sample type “QC” on test interface.4. Open the Positive Control bottle cap and add 1ml of sample buffer.5. Shake well6. Add 100uLof the Positive Control with pipette to the Cassette sample well. 7.Test the Cassette by following Test Operation.8. Wait for the result. The result is “Positive“ means Positive QC pass.