You're very welcome. Until then, come over to Feline Health to post, as more people will see your threads there.
Depending on what he ordered, it could be either a U-40 concentration or a U-100 concentration. This refers to the number of units in 1 mL.
When you have a moment, could you add a few tidbits to your signature? It will help us give you feedback without having to go look in all your past posts.
Editing your Signature
In the upper right corner of the screen, within the dark blue bar, you will see ID, Inbox, and Alerts
Click on your ID.
On the left, under Settings, Click on Signature.
This is where you will put information that helps us give you feedback.
This is where you paste the link for your spreadsheet, once it is set up.
Add any other text, such as
your name,
cat's name,
date of Dx (diagnosis)
insulin
meter
any other pertinent issues like if there are any food issues, history of DKA, hepatic lipidosis, pancreatitis, allergies, IBD, etc.
Click the Save Changes button at the bottom.
Always click the Save Changes button at the bottom when you have changed anything.