Transdermal Potassium Patch from Mexico
24-hour transdermal patch delivering controlled potassium through skin for chronic hypokalemia management. Affects systemic electrolytic balance. HTS 3004.90.92.67 includes transdermal systems in measured doses.
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
• Adhesive dermatological testing and permeation rate data essential
• Specify delivery rate (mcg/cm²/hour) for dose verification
• Avoid classification as cosmetic patch under Chapter 33