</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Freeze-Dried Normal Human Blood Serum from Mexico

Freeze-dried normal human blood serum is obtained from healthy human donors and processed to remove water while preserving proteins and antibodies. It falls under HTS 3002.12.00.20 as a normal human blood serum used in diagnostic assays, cell culture media, and research applications. This product is not modified for specific immunological purposes, distinguishing it from other antisera.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

Obtain FDA approval and ensure donor screening documentation complies with 21 CFR Part 640 for human blood products

Provide certificates of analysis verifying normal serum status (no specific antibodies) to avoid misclassification as immunological products

Maintain cold chain logistics during import to preserve bioactivity, with temperature logs as common CBP requirement