When deemed in the best interests of a child placed in a juvenile detention center, the administrator of such detention center may authorize, under policies promulgated by the Chief Court Administrator, such medical assessment and treatment and dentistry as is necessary to ensure the continued good health or life of the child. The administrator of the detention center shall make reasonable efforts to inform the child’s parents or guardian prior to taking such action, and in all cases shall send notice to the parents or guardian by letter to their last-known address informing them of the actions taken and of the outcome, provided failure to notify shall not affect the validity of the authorization.