Is it true that China's mobile nucleic acid test is abnormal?

The short message of abnormal nucleic acid was sent by the Beijing epidemic prevention department through the platform of 10086, and they sent it to their personal messages themselves.

If your nucleic acid test results are not available, and you receive SMS reminders from the three major operators to remind you that the nucleic acid test results are abnormal, please re-check at the nucleic acid sampling point within 24 hours.