# United States tariff lines under HS 9018.13

> The United States tariff splits HS 9018.13 (electrodiagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters): Magnetic resonance imaging apparatus) into 1 national line: 9018.13.00.00 (magnetic resonance imaging apparatus). Every United States line under 9018.13 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/901813
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) / [9018.13](https://border.bot/countries/united-states/hs-codes/901813)

## Key facts

- HS subheading: [9018.13](https://border.bot/hs-codes/901813)
- 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 9018.13

The United States tariff splits HS 9018.13 (electrodiagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters): Magnetic resonance imaging apparatus) into 1 national line: 9018.13.00.00 (magnetic resonance imaging apparatus).

Every United States line under 9018.13 is free of general (MFN) duty.

- [9018.13.00.00](https://border.bot/countries/united-states/hs-codes/9018130000) Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof, Magnetic resonance imaging apparatus. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9018.13 yet.

- [The Harmonized System text for 9018.13](https://border.bot/hs-codes/901813)

- Previous subheading: [9018.12](https://border.bot/countries/united-states/hs-codes/901812) Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments; parts and accessories thereof
- Next subheading: [9018.14](https://border.bot/countries/united-states/hs-codes/901814) Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments; parts and accessories thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9018.13?

The United States tariff splits HS 9018.13 (electrodiagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters): Magnetic resonance imaging apparatus) into 1 national line: 9018.13.00.00 (magnetic resonance imaging apparatus).

### What is the duty on HS 9018.13 in the United States?

Every United States line under 9018.13 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/901813.json