(a) The Texas Medicaid Early and Periodic Screening, Diagnosis, and Treatment (EPSDT) program is a Title XIX federally mandated program of prevention, diagnosis, and treatment for Medicaid clients from birth through age 20. In Texas, EPSDT is known as the Texas Health Steps (THSteps) Program. The Texas Department of State Health Services (department), by authorization of the Health and Human Services Commission (HHSC), operates and administers the outreach and informing, medical and dental check-ups, and the dental treatment utilization components of this program.(b) The rules in this chapter apply to the medical and dental check-up, dental treatment, dental utilization review, and the outreach and informing components of THSteps.