An MCO shall provide, to enrollees younger than 21 years old, medically necessary Early and Periodic Screening, Diagnosis, and Treatment (EPSDT) services, including: EPSDT comprehensive well-child services provided in accordance with the EPSDT periodicity schedule and performed by an EPSDT-certified provider, including: A comprehensive health and developmental history, including an evaluation of both physical and mental health development; A comprehensive unclothed physical exam; Immunizations appropriate to age and health history; Laboratory tests, including blood lead level assessment, as appropriate to age and risk; Health education, including anticipatory guidance; and Vision, hearing, and dental screening; EPSDT partial or interperiodic well-child services; and Health care services that are: Necessary to prevent, treat, or ameliorate physical, mental, or developmental problems or conditions identified by an EPSDT-certified provider or other health professional; Sufficient in amount, duration, and scope to treat the identified condition; and Subject to limitation only on the basis of medical necessity. The health care services described in §A(3) of this regulation shall include, at a minimum, all services described in this chapter, and the following: Chiropractic services; Nutrition counseling services; Private duty nursing services including: An initial assessment and development of a plan of care by a registered nurse; and On-going private duty nursing services delivered by a licensed practical nurse or a registered nurse; and Durable medical equipment. An MCO shall provide referrals for services not covered by Medicaid, but which are furnished at little or no cost to recipients, including appropriate referrals to: The Head Start Program; The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC); School Health-Related Special Education Services; Vocational Rehabilitation; and Maternal and Child Health Services located at local health departments.