Section 06 Products of the chemical or allied 38 Miscellaneous chemical products 38 22 Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory rea Commodity Code Description 38 22 00 Diagnostic or lab.reagents on a backing; prepared diagnostic or lab.reagents exc 38 22 11 For malaria 38 22 12 For Zika and other diseases transmitted by mosquitoes of the genus Aedes 38 22 13 For blood-grouping 38 22 19 Other 38 22 90 Other