Definitely. Plus, you can absolutely get different CT values from two different testing platforms. Some PCR tests are more hands-on than others and the result can vary based on the quality of processing and on the settings that are used in the analysis software.
I had to have an incredibly painful procedure (with no pain relief or anesthesia) to determine if I had endometrial cancer. My insurance “covered” it, but I still owe over $2000 for it.