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U.S. exports of diagnostic and laboratory reagents (nesoi), including kits (HS 382219) totaled $781.5M in July 2026.
Importers of Diagnostic and Laboratory Reagents (NESOI), Including Kits paid $28.2M in duties in July 2026 — an effective duty rate of 10% on $282.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataGermany and Singapore are the leading US import sources for this broad residual category, which captures all diagnostic and laboratory reagents — whether on a backing or not, in kit form or not — that are not specifically covered by the malaria, Zika, or blood-grouping subheadings. The US schedule further subdivides by chemical composition: lines 3822190010 and 3822190030 cover reagents containing antigens or antisera (with or without methyl chloroform), line 3822190040 covers other methyl chloroform–containing reagents, and 3822190080 captures all remaining diagnostic and laboratory reagents. The breadth of this heading means classification disputes are common, particularly for multiplex panels and combination kits that may straddle subheadings. FDA admissibility review applies to products intended for clinical diagnostic use.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
11.6K shipments/mo
CBP's general rule is that combination products are classified by the component that gives the article its essential character. A kit whose primary commercial purpose is malaria detection would likely fall under 382211, while a broad respiratory panel that incidentally includes a malaria marker might be classified under 382219. Obtaining a binding ruling from CBP before importation is the most reliable way to resolve this ambiguity.
Methyl chloroform (1,1,1-trichloroethane) is an ozone-depleting substance subject to EPA import restrictions under the Clean Air Act. Reagents containing it are broken out at the 10-digit level (3822190010 and 3822190040) so that EPA can track and enforce import controls. Importers of reagents containing this solvent must comply with EPA's ozone-depleting substance import allowance program in addition to standard FDA admissibility requirements.
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Subheading 1 of 5 in heading 3822
Subheading 382219 · $358.0M of $370.6M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3822190080 | Diagnostic or Laboratory Reagents, NESOI | $271.7M | 7.63% | 76.02% | $20.7M |
| 3822190030 | Diagnostic Reag. Cont Antigens or Antisera NESOI | $83.7M | 8.61% | 88.06% | $7.2M |
| 3822190010 | Diagnostic Reag. Cont Antigens & Methyl Chloroform | $1.3M | 9.11% | 90.41% | $118K |
| 3822190040 | Diagnostic Reag. Cont. Methyl Chloroform Etc NESOI | $1.3M | 10.01% | 100.00% | $129K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3822190000 | Diagnostic or Laboratory Reagents Incl Kits, NESOI | $781.5M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$358.0MYoY · Pro
Exports
$781.5MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
customs district
origin
entry
rate provision · imports
21.0% enters free of duty; the effective duty rate is 7.88%.