Methyl Chloroform Rheumatoid Factor Test Cards from Mexico
Latex agglutination test cards with rheumatoid factor antigens preserved using methyl chloroform for rapid rheumatoid arthritis screening. Used in physician offices and clinics. Classified HTS 3822.19.0010 for diagnostic reagents on backing containing the specified solvent.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide peer-reviewed validation studies supporting clinical accuracy
• Ensure child-resistant packaging for solvent-containing diagnostics
• Declare as medical devices if automated reading systems included