# United States tariff lines under HS 9021.31

> The United States tariff splits HS 9021.31 (other artificial parts of the body: Artificial joints) into 1 national line: 9021.31.00.00 (artificial joints and parts and accessories thereof). Every United States line under 9021.31 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/902131
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 90](https://border.bot/countries/united-states/hs-codes/90) / [9021.31](https://border.bot/countries/united-states/hs-codes/902131)

## Key facts

- HS subheading: [9021.31](https://border.bot/hs-codes/902131)
- Duty (MFN): Free
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

## United States lines under 9021.31

The United States tariff splits HS 9021.31 (other artificial parts of the body: Artificial joints) into 1 national line: 9021.31.00.00 (artificial joints and parts and accessories thereof).

Every United States line under 9021.31 is free of general (MFN) duty.

- [9021.31.00.00](https://border.bot/countries/united-states/hs-codes/9021310000) Other artificial parts of the body and parts and accessories thereof, Artificial joints and parts and accessories thereof. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9021.31 yet.

- [The Harmonized System text for 9021.31](https://border.bot/hs-codes/902131)

- Previous subheading: [9021.29](https://border.bot/countries/united-states/hs-codes/902129) Other
- Next subheading: [9021.39](https://border.bot/countries/united-states/hs-codes/902139) 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

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9021.31?

The United States tariff splits HS 9021.31 (other artificial parts of the body: Artificial joints) into 1 national line: 9021.31.00.00 (artificial joints and parts and accessories thereof).

### What is the duty on HS 9021.31 in the United States?

Every United States line under 9021.31 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/902131.json