3822 Diagnostic or Laboratory Reagents on a Backing, Prepared Diagnostic or Laboratory Reagents Whether or not on a Backing, and Certified Reference Materials (Excl. Compound Diagnostic Reagents Designed to be Administered to the Patient, Blood-grouping ReageNts, Animal Blood Prepared for Therapeutic, Prophylactic or Diagnostic Uses and Vaccines, Toxins, Cultures of Micro-organisms and Similar Products)

3822 (01/1988-..) Diagnostic or Laboratory Reagents on a Backing, Prepared Diagnostic or Laboratory Reagents Whether or not on a Backing, and Certified Reference Materials (Excl. Compound Diagnostic Reagents Designed to be Administered to the Patient, Blood-grouping ReageNts, Animal Blood Prepared for Therapeutic, Prophylactic or Diagnostic Uses and Vaccines, Toxins, Cultures of Micro-organisms and Similar Products) 38220000 (01/2002-..) Diagnostic or Laboratory Reagents on a Backing, Prepared Diagnostic or Laboratory Reagents Whether or not on a Backing, and Certified Reference Materials (Excl. Compound Diagnostic Reagents Designed to be Administered to the Patient, Blood-grouping ReageNts, Animal Blood Prepared for Therapeutic, Prophylactic or Diagnostic Uses and Vaccines, Toxins, Cultures of Micro-organisms and Similar Products)