HS Code for Zathioprine Tablets (US)
PRIMARY CLASSIFICATION RESULT (US)
The primary 6-digit Harmonized System (HS) code for zathioprine tablets is 3004.90 (Medicaments (excluding goods of heading 3002, 3005 or 3006) consisting of mixed or unmixed products for therapeutic or prophylactic uses, put up in measured doses (including those in the form of transdermal administration systems) or in forms or packings for retail sale, Other). Under the 2026 US HTS, representative general duties are Free [Official Source].
Classification guidance note.
Candidate Subheadings & Disambiguation Matrix
| HS Subheading | WCO Subheading Description | Disambiguation Rule / Notes | Action |
|---|---|---|---|
| 3004.90 | Medicaments (excluding goods of heading 3002, 3005 or 3006) consisting of mixed or unmixed products for therapeutic or prophylactic uses, put up in measured doses (including those in the form of transdermal administration systems) or in forms or packings for retail sale, Other | Other | View 3004.90 → |
Official Primary Sources & Authority References
USITC HTS Database ↗
USITC official Harmonized Tariff Schedule for Zathioprine Tablets.
CBP CROSS Rulings ↗
CBP e-Rulings database for Zathioprine Tablets classification precedents.
WCO Nomenclature ↗
World Customs Organization international 6-digit Harmonized System standard.
Zathioprine Tablets Frequently Asked Questions (FAQ)
What is the official 6-digit HS code for Zathioprine Tablets?
The primary 6-digit Harmonized System (HS) code for Zathioprine Tablets is HS 3004.90 (Medicaments (excluding goods of heading 3002, 3005 or 3006) consisting of mixed or unmixed products for therapeutic or prophylactic uses, put up in measured doses (including those in the form of transdermal administration systems) or in forms or packings for retail sale, Other).
What is the US general import duty for Zathioprine Tablets?
Under the 2026 US HTS, representative MFN general duty rates for Zathioprine Tablets under HS 3004.90 are Free.
Are there alternative candidate subheadings for Zathioprine Tablets?
Yes. Depending on state (green vs. roasted, decaffeinated vs. non-decaffeinated, raw vs. processed), alternative subheadings include 300490.
What mandatory import documents are required for Zathioprine Tablets?
Commercial Invoice, Packing List, Bill of Lading, and Partner Government Agency permits where applicable.
Does de minimis duty-free exemption apply to Zathioprine Tablets?
Eligible shipments enter duty-free under statutory destination thresholds.
How are merchandise processing and customs fees calculated for Zathioprine Tablets?
Import fees are assessed on entered customs value under destination regulations.