# United States tariff line 2937.21.00.30: Prednisone

> In the United States tariff, line 2937.21.00.30 covers steroidal hormones, their derivatives and structural analogues, cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone), prednisone. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2937.21 in heading 29.37 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2937210030
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2937.21](https://border.bot/countries/united-states/hs-codes/293721) / [2937.21.00.30](https://border.bot/countries/united-states/hs-codes/2937210030)

## Key facts

- Tariff line: 2937.21.00.30
- Covers: Steroidal hormones, their derivatives and structural analogues, cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone), prednisone
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2937.21](https://border.bot/hs-codes/293721)

## What this line covers

In the United States tariff, line 2937.21.00.30 covers steroidal hormones, their derivatives and structural analogues, cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone), prednisone.

Its legal text is “Prednisone”, read under “Steroidal hormones, their derivatives and structural analogues” and “Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)”.

## How it is structured

It falls under HS subheading 2937.21 in heading 29.37 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 29: Organic chemicals
- Heading 29.37: Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones
- Subheading 2937.21: Steroidal hormones, their derivatives and structural analogues
- Within the subheading: Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone)
- Line 2937.21.00.30: Prednisone

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 2937.21.00.

## In other countries

No other national tariff on border.bot has live lines under 2937.21 yet.

- [The Harmonized System text for 2937.21](https://border.bot/hs-codes/293721)

## Other lines under 2937.21

- [2937.21.00.10](https://border.bot/countries/united-states/hs-codes/2937210010) Cortisone
- [2937.21.00.20](https://border.bot/countries/united-states/hs-codes/2937210020) Hydrocortisone
- [2937.21.00.40](https://border.bot/countries/united-states/hs-codes/2937210040) Prednisolone

- Previous line: [2937.21.00.20](https://border.bot/countries/united-states/hs-codes/2937210020) Hydrocortisone
- Next line: [2937.21.00.40](https://border.bot/countries/united-states/hs-codes/2937210040) Prednisolone

## Frequently asked questions

### What does tariff line 2937.21.00.30 cover in the United States tariff?

In the United States tariff, line 2937.21.00.30 covers steroidal hormones, their derivatives and structural analogues, cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone), prednisone.

### What is the general (MFN) duty on 2937.21.00.30 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 2937.21.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/2937210030.json