HS code for pulse oximeters

HS code

9018.19

US tariff lines

US general duty

Free

Source: USITC Harmonized Tariff Schedule, Revision 21 (2026), effective 10/09/2026 · checked 2026-10-28

Electro-diagnostic apparatus for monitoring the body, such as pulse oximeters, is 9018.19.

US tariff lines under 9018.19

US HTS code	Description	General duty
9018.19.40	Apparatus for functional exploratory examination, and parts and accessories thereof	Free
9018.19.55	Other › Patient monitoring systems	Free
9018.19.75	Other › Printed circuit assemblies for parameter acquisition modules	Free
9018.19.95	Other › Other 4 statistical suffixes (10-digit codes) 9018.19.95.30 — Basal metabolism and blood pressure apparatus 9018.19.95.35 — Electroencephalographs (EEG) and electromyographs (EMG) 9018.19.95.50 — Other apparatus 9018.19.95.60 — Parts and accessories	Free

Import duty on pulse oximeters by country

Import into the US

Free

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Import into the UK

See commodity codes ›

Import into the EU

See CN codes ›

Extra duties may apply

The general rate applies to most countries. Imports from some countries also pay additional duties under Chapter 99 of the HTS, such as Section 301 tariffs on many Chinese goods. Check the current measures for your country of origin before you order.

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Frequently asked questions

Q1What is the HS code for pulse oximeters?

The international HS code for pulse oximeters is 9018.19. Electro-diagnostic apparatus for monitoring the body, such as pulse oximeters, is 9018.19.

Q2What is the US import duty on pulse oximeters?

It depends on the exact line: 4 US tariff lines sit under 9018.19, with general rates of Free. The table on this page lists each one. Goods from some countries pay additional duties on top.

Q3What is the 10-digit HTS code for pulse oximeters?

The first 8 digits set the duty; the last 2 are statistical and depend on details such as material or who the product is for. The full list of US codes under 9018.19 is in the table above.

Q4Is the HS code the same in every country?

The first 6 digits (9018.19) are the same in every country that uses the Harmonized System. The digits after that, and the duty rates, are set by each country.

Find another HS code

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New to customs terms? Read what an HS code is and our guide on how to calculate landed cost.

Classification guidance only, not a binding ruling or customs advice. The right code depends on your product’s exact material, function and construction. For certainty, request a binding ruling from U.S. Customs and Border Protection or ask a licensed customs broker.