Can I use Lingo if I'm on insulin? No, Lingo is not intended for diagnosis or management of any disease including diabetes. Consult with your doctor to discuss which Abbott product is right for you. Related articles Is Lingo the same as Freestyle Libre? Does Lingo measure Ketones? What is the glucose range that Lingo shows? What are the long-term impacts of keeping your glucose steady? Will this impact the supply of CGMs for the diabetes community?