HUMAN BLOOD; ANIMAL BLOOD PREPAREDFOR THERAPEUTIC, PROPHYLACTIC ORDIAGNOSTIC USES; ANTISERA AND OTHER BLOOD FRACTIONS AND MODIFIED IMMUNOLOGICAL PRODUCTS, WHETHEROR NOT MODIFIED OR OBTAINED BY MEANS OF BIOTECHNOLOGICAL PROCESSES; VACCINES, TOXINS, CULTURES OF MICRO-ORGANISMS (EXCLUDING YEASTS) AND SIMILAR PRODUCTS.
HS codes falls under this category.