Xenon-129 MRI Contrast Gas from Mexico
Hyper-polarized xenon-129 gas in specialized medical delivery systems for lung MRI imaging research. Classified HTS 2804.29.00 as elemental rare gas despite medical application, meeting chemically defined criteria. Short shelf life requires rapid customs clearance.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Coordinate with FDA for investigational device exemption; maintain cold chain documentation; avoid medical device classification which requires 510(k) clearance