; (B) 1 such assessment at the age of 24 months; and (C) in the case of such a child with no record of any such assessment having been performed and who is between the ages of 24 months and 72 months, 1 such assessment. . (c) Clarification None of the amendments made by this section may be construed as prohibiting a State from providing coverage of lead blood level assessments under title XIX or XXI of the Social Security Act at a frequency that is greater than the frequency described in such amendments or to an individual outside of the ages described in such amendments.