How do Klarna flexible payments work? Follow You can use Klarna to split the cost of your purchase into 4 interest-free payments. Click here to find out more. Related articles Will my insurance company cover your assessment? Prescriptions ADHD RESULTS ACCEPTED NATIONWIDE What’s the Difference Between ADD and ADHD? How does Zoom work? Articles in this section How do Klarna flexible payments work? How does Zoom work? ADHD RESULTS ACCEPTED NATIONWIDE What’s the Difference Between ADD and ADHD? What if I get nervous talking to healthcare providers? What makes E-visits better? Can my family doctor or pediatrician make a diagnosis of ADHD? Why not just use one of the free tests online? Who should be evaluated for ADHD?