9018.90.20.00—Other instruments and appliances and parts and accessories thereof, other
General
Free
Units
No.
Column 2
60%
Special
9018.90.20.00—Other instruments and appliances and parts and accessories thereof, otherGeneral
Free
Units
No.
Column 2
60%
Special
—
HTS 9018.90.20.00 is the U.S. Harmonized Tariff Schedule classification for Other instruments and appliances and parts and accessories thereof, other. It's a 10-digit statistical line in Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof, Section XVIII: Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical or Surgical Instruments and Apparatus; Clocks and Watches; Musical Instruments; Parts and Accessories Thereof, used by U.S. Customs and Border Protection to determine the duty rate at entry. 4 Chapter 99 tariff modifications currently stack on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.88.01 | section_301 | The duty provided in the applicable subheading plus 25% |
| 9903.88.11 | section_301 | The duty provided in the applicable subheading |
| 9903.88.14 | section_301 | The duty provided in the applicable subheading |
| 9903.88.15 | section_301 | The duty provided in the applicable subheading + 7.5% |
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
Protest 4701-03-100174; System KS and System KF loupes
The tariff classification of an arthroscope from Germany
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 9018.90.20.00 is the U.S. Harmonized Tariff Schedule classification for Other instruments and appliances and parts and accessories thereof, other. It belongs to Chapter 90 of the HTSUS.
The general (Column 1) duty rate for HTS 9018.90.20.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 9018.90.20.00 is 60%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Yes — HTS 9018.90.20.00 is covered by section_301 provision 9903.88.01 (The duty provided in the applicable subheading plus 25%). 3 additional overlays also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 9018.90.20.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Tandom guides relevant to this code
What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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