Section 16.03.09.582 - CHILD WELLNESS SERVICES: COVERAGE AND LIMITATIONS01.Periodic Medical Screens. Periodic medical screens are to be completed according to the American Academy of Pediatrics periodicity schedule including blood lead tests at age twelve (12) months and twenty-four (24) months. The medical screen must include a blood lead test when the participant is age two (2) through age twenty-one (21) and has not been previously tested.02.Interperiodic Screens. Interperiodic screens will be performed when there are indications that it is medically necessary to determine whether a child has a physical or mental illness or condition that may require further assessment, diagnosis, or treatment. Interperiodic screens may occur in children who have already been diagnosed with an illness or condition, and there is indication that the illness or condition may have become more severe or changed sufficiently, so that the further examination is medically necessary03.Developmental Screens. Developmental screening is considered part of every routine initial and periodic examination. If the screening identifies a developmental problem, then a developmental assessment will be ordered by the physician, certified nurse midwife, PA, or NP and be conducted by qualified professionals.Idaho Admin. Code r. 16.03.09.582