How to say health code in English?

The English expression of "QR Code" is QR code, so the correct expression of "health code" is: health QR code or health code. For example:

Please show me your health code.

Please show me your health code.

If you don't have a health password, you can't go there.

You can't go there if you don't have a health code.

Related medical English expressions

1, nucleic acid detection

The English expression of "nucleic acid detection" is nucleic acid detection, which can also be expressed by COVID-19 test or swab test.

This hospital has conducted more than 2000 nucleic acid tests.

This hospital has conducted more than 2000 nucleic acid tests.

2. Test result: negative/positive

The test results are negative and positive: positive.

His nucleic acid test results were negative.

His nucleic acid test was negative.