A 22-year-old client is admitted to the hospital in diabetic ketoacidosis (DKA. The client's parent is insisting to know the laboratory test results. Which is the best response for the nurse to provide?

"I can give you those results as soon as I get them back from the lab."

"The healthcare provider will share this information with you."

"I can only give medical information to your child because the client is an adult."

"I'm sorry, but your child's medical information is none of your business."