HTS Browser / Section XVIII — Optical, medical, precision instruments / Chapter 90 / Heading 9018 / 9018
HTS 9018 Chapter 90 Section XVIII Synced Apr 28, 2026

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:

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:

Base HTS duty
Column 1 General
Effective (Japan)
15%
Ch. 99
Stacked measures
1
at Japan
Last change
2 months
Ch. 99 15.0%

What this covers

Medical, surgical, dental, and veterinary instruments and appliances, including scintigraphic and electro‑medical devices, as well as sight‑testing instruments, and their parts and accessories.

MRI scanner X‑ray machine Dental drill Surgical microscope Ultrasound device
Duty stack · origin japan

How the 15.0% is built.

0%3.8%7.7%11.5%15.4%
122 · 15.0%
Section 122
All origins except · 9903.01.80
+15.00%
MPF (merchandise processing)
0.3464% · min $31.67 / max $614.35
+0.35%
Effective ad valorem duty (excl. fees)
15.00%
Stacking order
  1. 1
    Apply base HTS rate
    Column 1 General (MFN) or Special (FTA)
  2. 2
    Add Section 301 (if origin qualifies)
    Chapter 99 subheading layered on
  3. 3
    Add IEEPA / 232 surcharges
    Country-scoped emergency measures
  4. 4
    Add MPF & HMF fees
    Applied to entered value

You may also consider

  • 9018

    Parent heading for medical instruments.

  • 9017

    Adjacent classification for measuring or testing instruments.

  • 9019

    Adjacent classification for measuring or testing instruments.

Origin matters

Rate by country of origin

Same HTS, very different landed cost. Here's how 9018 looks from the top trading partners — on a $10,000 shipment.

FTA partner Section 301 IEEPA in effect
Rates from last sync on Apr 28, 2026 · assumes entered value $10,000 · fees (MPF/HMF) excluded from the comparison above.
Popular in Chapter 90

Related HTS codes

Browse full Chapter 90
Questions about 9018

FAQ for this HTS code.

What is this HTS code?

This is a US Harmonized Tariff Schedule (HTS) code that classifies "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:". It determines base duty rates for imports; additional duties may apply by country of origin.

Does origin affect duty?

Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.

How do I compute total duty?

Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.

Never miss a rate change on 9018.
We'll email you within an hour of any measure affecting this code.
Tariff data is informational; final determinations are made by CBP.
HTS 9018 · synced Apr 28, 2026 14:34 UTC