Screening for lead poisoning and lead screening related services for children under six (6) years of age as required by department regulations and diagnostic evaluations for lead poisoning for children under six (6) years of age, including but not limited to confirmatory blood lead testing, shall be a covered health benefit and be reimbursable under any general or blanket policy of accident or health insurance offered by an insurer except for supplemental policies which only provide coverage for specific diseases, hospital indemnity Medicare supplements, or other supplemental policies. The department of human services shall pay for the lead screening and lead screening related and diagnostic evaluation services where the patient is eligible for medical assistance under the provisions of chapter 8 of Title 40. The department of health shall pay for the lead screening and lead screening related and diagnostic evaluation services where the patient is not covered by any health insurance. All companies which are self insured for health care services will be encouraged by the department to participate as other insurers.