A grandparents' medical consent form allows a parent or legal guardian to hand over all responsibility regarding their child's healthcare decisions. Don't have a MyChart account?How to fill out the Grandparent Medical Consent Form for Minors? Ensure your child's well-being with our easy-to-use child medical consent form. Generally, when children cannot legally consent because they are minors, the parent or guardian of the child consents as representative of the patient. We can provide you with samples of court forms that are available. We can provide you with guidance on how to fill out forms. This form grants grandparents authorization to provide medical treatment for a minor child. It ensures that emergency medical action can be taken without delay.