HTSUS, United States

9021.90.40.80

Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles / Other

Classification path

  1. 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. Other
  3. Parts and accessories for hearing aids and for pacemakers for stimulating heart muscles
  4. Other

Rates of duty

General (MFN)
Free
Column 2Cuba, North Korea, Russia, Belarus
35%
Unit of quantity
No.

Related lines in heading 9021

About heading 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

Heading 9021 covers medical devices that are worn, carried or implanted in the body to correct a defect or disability, plus orthopedic and fracture appliances and dental fittings. It is split by type of device: orthopedic and fracture appliances, artificial teeth and dental fittings, other artificial body parts such as joints, hearing aids, pacemakers, and a residual group for parts and accessories. All declarable lines in this heading carry a general (MFN) rate of Free.

Full guide to heading 9021

Products in this heading

  • Bone plates, screws and nails used for internal fixation of a fracture
  • Hip or knee replacement implants (artificial joints)
  • Crutches, surgical belts and trusses
  • External fracture splints and braces
  • Hearing aids
  • Pacemakers for stimulating heart muscles
  • Dentures and artificial teeth
  • Below-knee or other body prostheses

Frequently asked questions

What is the HTS code for a knee replacement implant?

Artificial joints and their parts fall under 9021.31.00.00, with a general (MFN) rate of Free.

What is the duty on hearing aids?

Hearing aids, excluding parts and accessories, are classified under 9021.40.00.00 at a general (MFN) rate of Free. Parts and accessories for hearing aids fall under 9021.90.40.40, also Free.

How do I classify bone screws and bone plates?

Bone plates, screws and nails and other internal fixation devices go under 9021.10.00.50 at a general (MFN) rate of Free. Other orthopedic or fracture appliances and their parts go under 9021.10.00.90, also Free.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 9021.90.40.80: Parts and accessories for hearing aids and for pacemakers f..., Free duty | HTSBase