HTS heading 9018 · Chapter 90
HTS 9018: Instruments and appliances used in medical, surgical,…
HTS heading 9018 covers 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 has 28 tariff lines with a duty rate; the general (MFN) rates are Free (28 lines).
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof: | |||||
| 9018.11 | Electrocardiographs, and parts and accessories thereof: | ||||
| 9018.11.30.00 | Electrocardiographs[No.] | Free | 35% | Estimate → | |
| 9018.11.60.00 | Printed circuit assemblies[No.] | Free | 35% | Estimate → | |
| 9018.11.90.00 | Other[No.] | Free | 35% | Estimate → | |
| 9018.12.00.00 | Ultrasonic scanning apparatus[No.] | Free | 35% | Estimate → | |
| 9018.13.00.00 | Magnetic resonance imaging apparatus[No.] | Free | 35% | Estimate → | |
| 9018.14.00.00 | Scintigraphic apparatus[No.] | Free | 35% | Estimate → | |
| 9018.19 | Other: | ||||
| 9018.19.40.00 | Apparatus for functional exploratory examination, and parts and accessories thereof[No.] | Free | 55% | Estimate → | |
| Other: | |||||
| 9018.19.55.00 | Patient monitoring systems[No.] | Free | 35% | Estimate → | |
| 9018.19.75.00 | Printed circuit assemblies for parameter acquisition modules[No.] | Free | 35% | Estimate → | |
| 9018.19.95 | Other | Free | 35% | ||
| 9018.19.95.30 | Basal metabolism and blood pressure apparatus[No.] | Estimate → | |||
| 9018.19.95.35 | Electroencephalographs (EEG) and electromyographs (EMG)[No.] | Estimate → | |||
| 9018.19.95.50 | Other apparatus[No.] | Estimate → | |||
| 9018.19.95.60 | Parts and accessories[No.] | Estimate → | |||
| 9018.20.00 | Ultraviolet or infrared ray apparatus, and parts and accessories thereof | Free | 35% | ||
| 9018.20.00.40 | Therapeutic[No.] | Estimate → | |||
| 9018.20.00.80 | Other[No.] | Estimate → | |||
| Syringes, needles, catheters, cannulae and the like; parts and accessories thereof: | |||||
| 9018.31.00 | Syringes, with or without needles; parts and accessories thereof | Free | 60% | ||
| Syringes, with or without their needles: | |||||
| 9018.31.00.40 | Hypodermic[No.] | Estimate → | |||
| 9018.31.00.80 | Other[No.] | Estimate → | |||
| 9018.31.00.90 | Parts and accessories[No.] | Estimate → | |||
| 9018.32.00.00 | Tubular metal needles and needles for sutures and parts and accessories thereof[No.] | Free | 55% | Estimate → | |
| 9018.39.00 | Other | Free | 30% | ||
| Bougies, catheters, drains and sondes, and parts and accessories thereof: | |||||
| 9018.39.00.20 | Rubber catheters[doz.] | Estimate → | |||
| 9018.39.00.40 | Other[No.] | Estimate → | |||
| 9018.39.00.50 | Other[No.] | Estimate → | |||
| Other instruments and appliances, used in dental sciences, and parts and accessories thereof: | |||||
| 9018.41.00.00 | Dental drill engines, whether or not combined on a single base with other dental equipment, and parts and accessories thereof[No.] | Free | 35% | Estimate → | |
| 9018.49 | Other: | ||||
| 9018.49.40.00 | Dental burs[gross] | Free | 35% | Estimate → | |
| 9018.49.80 | Other | Free | 35% | ||
| 9018.49.80.40 | Dental hand instruments and parts and accessories thereof[No.] | Estimate → | |||
| 9018.49.80.80 | Other[No.] | Estimate → | |||
| 9018.50.00.00 | Other ophthalmic instruments and appliances and parts and accessories thereof[No.] | Free | 60% | Estimate → | |
| 9018.90 | Other instruments and appliances and parts and accessories thereof: | ||||
| Optical instruments and appliances and parts and accessories thereof: | |||||
| 9018.90.10.00 | Mirrors and reflectors[No.] | Free | 45% | Estimate → | |
| 9018.90.20.00 | Other[No.] | Free | 60% | Estimate → | |
| Other: | |||||
| 9018.90.30.00 | Anesthetic instruments and appliances and parts and accessories thereof[No.] | Free | 45% | Estimate → | |
| 9018.90.40.00 | Percussion hammers, stethoscopes and parts of stethoscopes[No.] | Free | 45% | Estimate → | |
| 9018.90.50 | Sphygmomanometers, tensimeters and oscillometers; all the foregoing and parts and accessories thereof | Free | 27.5% | ||
| 9018.90.50.40 | Sphygmomanometers and parts and accessories thereof[No.] | Estimate → | |||
| 9018.90.50.80 | Other[No.] | Estimate → | |||
| Electro-medical instruments and appliances and parts and accessories thereof: | |||||
| 9018.90.60.00 | Electro-surgical instruments and appliances, other than extracorporeal shock wave lithotripters; all the foregoing and parts and accessories thereof[No.] | Free | 55% | Estimate → | |
| Other: | |||||
| 9018.90.64.00 | Defibrillators[No.] | Free | 35% | Estimate → | |
| 9018.90.68.00 | Printed circuit assemblies for the defibrillators of subheading 9018.90.64[No.] | Free | 35% | Estimate → | |
| 9018.90.75 | Other | Free | 35% | ||
| 9018.90.75.20 | Dialysis instruments and apparatus[No.] | Estimate → | |||
| Other therapeutic appliances and instruments: | |||||
| 9018.90.75.40 | Ultrasonic[No.] | Estimate → | |||
| 9018.90.75.60 | Other[No.] | Estimate → | |||
| 9018.90.75.70 | Parts and accessories of dialysis instruments and apparatus[No.] | Estimate → | |||
| 9018.90.75.80 | Other[No.] | Estimate → | |||
| 9018.90.80.00 | Other[No.] | Free | 55% | Estimate → |
49 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 9018.11.30.00 at the general rate of Free, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (Free) | $0.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $47.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Duty by country of origin
Frequently asked questions
What is the duty rate for HTS 9018?
Heading 9018 has 28 rate lines. The general (MFN) duty rates are Free (28 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 9018?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 9018?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.