This article contains information on one way that certain nonparents can be allowed to consent to medical treatment of a minor child. AUTHORIZATION: I am the parent or legal guardian of the above named minor patient.I have medical consenting rights for my child. Objectives. Identify three categories of individuals who have the legal right to consent to a teen's health-care treatment in an emergency. Use our Child Medical Consent form to let someone make medical decisions for your child in your absence. An unmarried minor who has "actual custody" of their own biological child can consent to medical, dental, psychological, and surgical treatment for the child. The signature of a minor patient is required for the release of some of these items. Adult who has actual care, control, and possession of the minor and has written authorization to consent from a person having the right to consent. A parent can sign an "authorization agreement" form to give a nonparent the authority to care for and make decisions for a child.