Harmonized Tariff Schedule of the United States · HTS code · HS 9021.90

9021.90.40

9021.90.40: Other orthopaedic and implanted appliances: Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles

Other orthopaedic and implanted appliances

Not declarable on its own: use one of its 2 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 9021 Orthopedic appliances, including crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability; parts and accessories thereof:
  2. 9021.90 Other:
  3. 9021.90.40 Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges —
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

No additional measures recorded for this origin.

Subdivisions

  1. 9021.90.40 Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles Free
  2. 9021.90.40.40 For hearing aids No.
  3. 9021.90.40.80 Other No.

Same subheading in other tariffs

9021.90 Orthopaedic appliances, including crutches, surgical belts: other

USA lines: 9021.90

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N364324 U.S. CBP 1 September 2026 · 9021.90.81.00

    The tariff classification of a Recording Head Component from Germany

  • N361297 U.S. CBP 21 May 2026 · 9021.90.81.00

    The tariff classification of SILKBridge® Biointegrative Nerve Guide from Italy

  • N360516 U.S. CBP 29 April 2026 · 9021.90.81.00

    The tariff classification of insulin pump patches and continuous glucose monitor patches from China

  • N344671 U.S. CBP 3 January 2025 · 9021.90.81.00

    The tariff classification of an Optical Module from China

  • 600013758 HMRC 9 September 2025 – 8 September 2028 · 9021 90 10 00

    The product is ear moulds for hearing aids. The main purpose is to conduct sound from a behind the ear hearing aid into the ear. It also helps to ensure that the hearing aid rests securely on the ear. Each ear mould is predominantly made of silicone and is custom made to the shape of a patient’s…

  • 600011610 HMRC 31 October 2024 – 30 October 2027 · 9021 90 10 00

    Monitor earphone adaptor This product is a monitor earphone adaptor (MEA) is a sandwich module which is connected between the processing unit and the battery module when in operation. With the monitor earphones and adaptor, a carer or audiologist can use the earphones to check that the hearing aid…

16 rulings in total for this code

Legal notes

Notes
Additional notes

Chapter notes: Chapter 90 →

In the Harmonized Tariff Schedule of the United States, 9021.90.40 is one of 2 lines under subheading 9021.90, orthopaedic appliances, including crutches, surgical belts: other.

The general duty is free.

2 statistical sub-lines below it are used in the declaration.

For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is free, the Canada duty is free, the Mexico duty is free, the Brazil duty is free, the Argentina duty is 0%–12.6%, the Peru duty is 6%, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is free.

The United States imported goods of subheading 9021.90 worth US$2bn in 2024; the largest supplier was Ireland.

Questions and answers

What is the USA import duty for HTS code 9021.90.40?

The general duty in the Harmonized Tariff Schedule of the United States is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Where does the United States import these goods from?

For subheading 9021.90 as a whole, the largest supplier in 2024 was Ireland (US$501m), followed by Mexico.

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