Cadwell Sierra Wave Electromyograph

The Cadwell Sierra Wave EMG system records electrical activity from skeletal muscles to diagnose neuromuscular disorders such as ALS and peripheral neuropathy. Classified under HTS 9018.19.95.35 for its electro-diagnostic EMG functionality in clinical neurophysiology. It supports needle EMG, nerve conduction studies, and quantitative analysis.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9018.90.75Same rate: 35%

If for dedicated EMG needle electrodes or surface electrodes sold separately

Accessories and parts for electro-diagnostic apparatus classified separately from complete instruments

9018.19.55Same rate: 35%

If system marketed for biofeedback therapy rather than clinical diagnosis

Therapeutic electro-medical apparatus distinguished from purely diagnostic equipment

8543.70Lower: 12.6% vs 35%

If for standalone EMG signal amplifiers used in research applications

Electrical machines not specifically configured for medical diagnosis classified as other electrical equipment

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Import Tips & Compliance

Verify inclusion of nerve conduction velocity software to maintain 9018 classification; prepare detailed service manuals for customs; avoid bulk component imports that trigger parts classification

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