9021.90.40—Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles
General duty rate
Free
Across 2 10-digit lines
Plain-English explanation
HTS 9021.90.40 is an 8-digit tariff item of the U.S. Harmonized Tariff Schedule covering Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles. It sits in Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof, Section XVIII: Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical or Surgical Instruments and Apparatus; Clocks and Watches; Musical Instruments; Parts and Accessories Thereof and rolls up 2 10-digit statistical lines, all with a general duty rate of Free. No Chapter 99 tariff modifications or AD/CVD orders currently flag any line under this tariff item in Tandom's catalog.
10-digit lines under 9021.90.40(2)
Pick a line to view full rate detail and compute landed duty
Frequently asked questions
What does HTS 9021.90.40 cover?
HTS 9021.90.40 is an 8-digit tariff item of the U.S. Harmonized Tariff Schedule covering Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles. It belongs to Chapter 90 and rolls up 2 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 9021.90.40?
Every 10-digit line under HTS 9021.90.40 carries a general (Column 1) duty rate of Free. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 9021.90.40?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader tariff item HTS 9021.90.40 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 9021.90.40?
Learn more
Tandom guides relevant to this code
Trade compliance APIs in broker workflows
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
Open resource
Bulk-classify SKU descriptions with the Tandom HTS Classifier API
Run thousands of product descriptions through HTS classification, score the confidence, and triage borderline rows. Public search endpoint plus the closed-beta three-layer Classifier.
Open resource