# United States tariff line 9018.19.55.00: Patient monitoring systems

> In the United States tariff, line 9018.19.55.00 covers electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof, patient monitoring systems. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 9018.19 in heading 90.18 (chapter 90).

Source: https://border.bot/countries/united-states/hs-codes/9018195500
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) / [9018.19](https://border.bot/countries/united-states/hs-codes/901819) / [9018.19.55.00](https://border.bot/countries/united-states/hs-codes/9018195500)

## Key facts

- Tariff line: 9018.19.55.00
- Covers: Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof, patient monitoring systems
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [9018.19](https://border.bot/hs-codes/901819)

## What this line covers

In the United States tariff, line 9018.19.55.00 covers electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof, patient monitoring systems.

Its legal text is “Patient monitoring systems”, read under “Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 9018.19 in heading 90.18 (chapter 90). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
- Heading 90.18: 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
- Subheading 9018.19: Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof
- Within the subheading: Other
- Within the subheading: Other
- Line 9018.19.55.00: Patient monitoring systems

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 9018.19 yet.

- [The Harmonized System text for 9018.19](https://border.bot/hs-codes/901819)

## Other lines under 9018.19

- [9018.19.40.00](https://border.bot/countries/united-states/hs-codes/9018194000) Apparatus for functional exploratory examination, and parts and accessories thereof
- [9018.19.75.00](https://border.bot/countries/united-states/hs-codes/9018197500) Printed circuit assemblies for parameter acquisition modules
- [9018.19.95.30](https://border.bot/countries/united-states/hs-codes/9018199530) Basal metabolism and blood pressure apparatus
- [9018.19.95.35](https://border.bot/countries/united-states/hs-codes/9018199535) Electroencephalographs (EEG) and electromyographs (EMG)
- [9018.19.95.50](https://border.bot/countries/united-states/hs-codes/9018199550) Other apparatus
- [9018.19.95.60](https://border.bot/countries/united-states/hs-codes/9018199560) Parts and accessories

- Previous line: [9018.19.40.00](https://border.bot/countries/united-states/hs-codes/9018194000) Apparatus for functional exploratory examination, and parts and accessories thereof
- Next line: [9018.19.75.00](https://border.bot/countries/united-states/hs-codes/9018197500) Printed circuit assemblies for parameter acquisition modules

## Frequently asked questions

### What does tariff line 9018.19.55.00 cover in the United States tariff?

In the United States tariff, line 9018.19.55.00 covers electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof, patient monitoring systems.

### What is the general (MFN) duty on 9018.19.55.00 in the United States?

Goods under this line enter 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/9018195500.json