Depending on the testing package and it's status you can find the Test ID in one (or several) of these locations:
On the sampling materials
On the paper Sample Information Card
In your email confirming test activation
On your dashboard (create or sign in to your SimpleLab account)
A Test ID has 6 characters.
Example: C8U4G3
Example of test ID on a sampling container below:
The order number can vary in appearance, depending on how and where you purchased the test. Order numbers can be found in:
Order confirmation email (sent from hello@gosimplelab.com)