Brazil NCM · 8-digit subitem

NCM 2937.22.21 – Triamcinolone acetonide

NCM 2937.22.21 (also written 29372221) is Brazil's code for triamcinolone acetonide. Its first 6 digits are HS code 2937.22.

Official description of NCM 2937.22.21

PortuguêsOfficial
Acetonida da triancinolona
EnglishUnofficial translation

Triamcinolone acetonide

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 2937.22.21

29Chapter 37Heading 22Subheading

HS code 2937.22
Same in every country

2Item 1Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 29 Organic chemicals Produtos químicos orgânicos.
  2. 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. Hormônios, prostaglandinas, tromboxanas e leucotrienos, naturais ou reproduzidos por síntese; seus derivados e análogos estruturais, incluindo os polipeptídios de cadeia modificada, utilizados principalmente como hormônios.
  3. Group 2937.2 Steroidal hormones, their derivatives and structural analogues: Hormônios esteroides, seus derivados e análogos estruturais:
  4. Subheading 2937.22 Steroidal hormones, their derivatives and structural analogues; halogenated derivatives of corticosteroidal hormones Derivados halogenados dos hormônios corticosteroides
  5. Item 2937.22.2 Triamcinolone and its derivatives Triancinolona e seus derivados
  6. Subitem 2937.22.21 Triamcinolone acetonide Acetonida da triancinolona

Other NCM codes under HS 2937.22

2937.22.10 Dexamethasone and its acetatesDexametasona e seus acetatos 2937.22.29 Triamcinolone and its other derivativesOutros 2937.22.31 Diflucortolone valerateValerato de diflucortolona 2937.22.39 Fluocortolone and its other derivativesOutros 2937.22.90 Other halogenated corticosteroid derivativesOutros

Questions about NCM 2937.22.21

What is NCM 2937.22.21?

NCM 2937.22.21 (29372221) is the Brazilian (Mercosur) code for triamcinolone acetonide. Its official Portuguese description is “Acetonida da triancinolona”.

What is the HS code for NCM 2937.22.21?

HS 2937.22 (Steroidal hormones, their derivatives and structural analogues; halogenated derivatives of corticosteroidal hormones). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 2937.22.21?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.