Human Mesenchymal Stem Cell Culture from Mexico
This product consists of human mesenchymal stem cells cultured in a nutrient medium for therapeutic applications in regenerative medicine, such as treating joint injuries or autoimmune diseases. It falls under HTS 3002.59.00.00 as 'other cell cultures, whether or not modified,' prepared for therapeutic uses via biotechnological processes. These cultures are not yeasts and are used directly in patient treatments.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Obtain FDA approval and biologics license; ensure cold chain documentation for viability during transport
• Provide certificates of analysis confirming cell type, purity, and absence of contaminants like mycoplasma
• Avoid misclassification as research reagents; verify therapeutic intent to prevent duty disputes