The Early and Periodic Screening, Diagnostic and Treatment (EPSDT) program is the child health component:

Rationale: A. EPSDT is not limited to underinsured children; it is a Medicaid benefit. B. While states administer EPSDT, it is not solely a state regulation; federal guidelines govern its implementation. C. The federal government sets standards, but the program is administered at the state level through Medicaid. D. EPSDT is the child health component of Medicaid that ensures children younger than 21 years old receive comprehensive and preventive healthcare services, including screening, diagnostic, and treatment services to address physical and mental health needs.