How to write medical instructions for nucleic acid collection

Under nucleic acid collection, the medical order is described as coronavirus nucleic acid testing (throat swab specimen). According to the query of relevant information, the following information is displayed:

1. Doctor’s orders must not be altered at will.

2. When a certain medical order is corrected or invalidated due to special reasons, if the medical order has not yet been fulfilled, use a red ink pen to start overlapping the second word of the medical order to invalidate it or write DC and have it signed by the doctor. .