# United States tariff lines under HS 9018.90 > The United States tariff splits HS 9018.90 (other instruments and appliances) into 15 national lines: 9018.90.10.00 (mirrors and reflectors), 9018.90.20.00 (other), 9018.90.30.00 (anesthetic instruments and appliances and parts and accessories thereof), 9018.90.40.00 (percussion hammers, stethoscopes and parts of stethoscopes) and 11 others. Every United States line under 9018.90 is free of general (MFN) duty. Source: https://border.bot/countries/united-states/hs-codes/901890 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) / [9018.90](https://border.bot/countries/united-states/hs-codes/901890) ## Key facts - HS subheading: [9018.90](https://border.bot/hs-codes/901890) - Duty (MFN): Free - National lines: 15 - 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 9018.90 The United States tariff splits HS 9018.90 (other instruments and appliances) into 15 national lines: 9018.90.10.00 (mirrors and reflectors), 9018.90.20.00 (other), 9018.90.30.00 (anesthetic instruments and appliances and parts and accessories thereof), 9018.90.40.00 (percussion hammers, stethoscopes and parts of stethoscopes) and 11 others. Every United States line under 9018.90 is free of general (MFN) duty. - [9018.90.10.00](https://border.bot/countries/united-states/hs-codes/9018901000) Other instruments and appliances and parts and accessories thereof, Optical instruments and appliances and parts and accessories thereof, Mirrors and reflectors. Duty (MFN): free - [9018.90.20.00](https://border.bot/countries/united-states/hs-codes/9018902000) Other instruments and appliances and parts and accessories thereof, Optical instruments and appliances and parts and accessories thereof, Other. Duty (MFN): free - [9018.90.30.00](https://border.bot/countries/united-states/hs-codes/9018903000) Other instruments and appliances and parts and accessories thereof, Other, Anesthetic instruments and appliances and parts and accessories thereof. Duty (MFN): free - [9018.90.40.00](https://border.bot/countries/united-states/hs-codes/9018904000) Other instruments and appliances and parts and accessories thereof, Other, Percussion hammers, stethoscopes and parts of stethoscopes. Duty (MFN): free - [9018.90.50.40](https://border.bot/countries/united-states/hs-codes/9018905040) Other instruments and appliances and parts and accessories thereof, Other, Sphygmomanometers, tensimeters and oscillometers; all the foregoing and parts and accessories thereof, Sphygmomanometers and parts and accessories thereof. Duty (MFN): free - [9018.90.50.80](https://border.bot/countries/united-states/hs-codes/9018905080) Other instruments and appliances and parts and accessories thereof, Other, Sphygmomanometers, tensimeters and oscillometers; all the foregoing and parts and accessories thereof, Other. Duty (MFN): free - [9018.90.60.00](https://border.bot/countries/united-states/hs-codes/9018906000) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Electro-surgical instruments and appliances, other than extracorporeal shock wave lithotripters; all the foregoing and parts and accessories thereof. Duty (MFN): free - [9018.90.64.00](https://border.bot/countries/united-states/hs-codes/9018906400) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Defibrillators. Duty (MFN): free - [9018.90.68.00](https://border.bot/countries/united-states/hs-codes/9018906800) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Printed circuit assemblies for the defibrillators of subheading 9018.90.64. Duty (MFN): free - [9018.90.75.20](https://border.bot/countries/united-states/hs-codes/9018907520) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Other, Dialysis instruments and apparatus. Duty (MFN): free - [9018.90.75.40](https://border.bot/countries/united-states/hs-codes/9018907540) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Other, Other therapeutic appliances and instruments, Ultrasonic. Duty (MFN): free - [9018.90.75.60](https://border.bot/countries/united-states/hs-codes/9018907560) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Other, Other therapeutic appliances and instruments, Other. Duty (MFN): free - [9018.90.75.70](https://border.bot/countries/united-states/hs-codes/9018907570) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Other, Parts and accessories of dialysis instruments and apparatus. Duty (MFN): free - [9018.90.75.80](https://border.bot/countries/united-states/hs-codes/9018907580) Other instruments and appliances and parts and accessories thereof, Other, Electro-medical instruments and appliances and parts and accessories thereof, Other, Other, Other. Duty (MFN): free - [9018.90.80.00](https://border.bot/countries/united-states/hs-codes/9018908000) Other instruments and appliances and parts and accessories thereof, Other, Other. Duty (MFN): free ## In other countries No other national tariff on border.bot has live lines under 9018.90 yet. - [The Harmonized System text for 9018.90](https://border.bot/hs-codes/901890) - Previous subheading: [9018.50](https://border.bot/countries/united-states/hs-codes/901850) 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: [9019.10](https://border.bot/countries/united-states/hs-codes/901910) Mechano-therapy appliances; massage apparatus; psychological aptitude-testing apparatus; parts and accessories thereof ## Frequently asked questions ### How many national tariff lines does the United States tariff have under HS 9018.90? The United States tariff splits HS 9018.90 (other instruments and appliances) into 15 national lines: 9018.90.10.00 (mirrors and reflectors), 9018.90.20.00 (other), 9018.90.30.00 (anesthetic instruments and appliances and parts and accessories thereof), 9018.90.40.00 (percussion hammers, stethoscopes and parts of stethoscopes) and 11 others. ### What is the duty on HS 9018.90 in the United States? Every United States line under 9018.90 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/901890.json