701.342.  High risk areas identified — assessment and testing requirements — laboratory reporting — additional testing required, when. — 1.  The department of health and senior services shall, using factors established by the department, including but not limited to the geographic index from data from testing reports, identify geographic areas in the state that are at high risk for lead poisoning.

  2.  Every child under six years of age shall be assessed annually using a questionnaire to determine whether such child is at high risk for lead poisoning.  The department, in collaboration with the department of social services, shall develop the questionnaire, which shall follow the recommendations of the federal Centers for Disease Control and Prevention.  The department may modify the questionnaire to broaden the scope of the high-risk category.  Local boards or commissions of health may add questions to the questionnaire.

  3.  Every child deemed to be at high risk for lead poisoning according to the questionnaire developed pursuant to subsection 2 of this section shall, with the consent of a parent or guardian, be tested using a blood sample.

  4.  Any laboratory providing test results for lead poisoning pursuant to sections 701.340 to 701.349 shall notify the department of the test results of any child tested for lead poisoning as required in section 701.326.  Any child who tests positive for lead poisoning shall receive follow-up testing in accordance with rules established by the department.  The department shall, by rule, establish the methods and intervals of follow-up testing and treatment for such children.

  5.  When the department is notified of a case of lead poisoning, the department shall require the testing of all other children under six years of age, and any other children or persons at risk, as determined by the director, who are residing or have recently resided in the household of the lead-poisoned child.