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CNAE 8640-2/02 · Brazil

Laboratórios clínicos

13,924 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

What this list shows

We count each active company in the Brazilian CNPJ registry once, by its head office and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.

Active companies
13,924
265th of 1,329 activities
Opened in 12 months
940
+12.0% · 364th by openings
Of every 100 companies in the country
0.1
do this activity
Openings per 100 active
7
in the country: 21

Active companies in this activity

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

Look up companies in this activity (up to 300)

How to assess a company's data

When you open a company's record, use these guides to check the data and understand what each field can establish.

Where the companies are

Acre: 47 companies, 0.1 of every 100 active companies there Alagoas: 204 companies, 0.1 of every 100 active companies there Amapá: 62 companies, 0.1 of every 100 active companies there Amazonas: 170 companies, 0.1 of every 100 active companies there Bahia: 1,081 companies, 0.1 of every 100 active companies there Ceará: 538 companies, 0.1 of every 100 active companies there Distrito Federal: 196 companies, 0.0 of every 100 active companies there Espírito Santo: 282 companies, 0.0 of every 100 active companies there Goiás: 556 companies, 0.1 of every 100 active companies there Maranhão: 435 companies, 0.1 of every 100 active companies there Mato Grosso: 379 companies, 0.1 of every 100 active companies there Mato Grosso do Sul: 262 companies, 0.1 of every 100 active companies there Minas Gerais: 1,605 companies, 0.1 of every 100 active companies there Pará: 560 companies, 0.1 of every 100 active companies there Paraíba: 390 companies, 0.1 of every 100 active companies there Paraná: 917 companies, 0.0 of every 100 active companies there Pernambuco: 579 companies, 0.1 of every 100 active companies there Piauí: 331 companies, 0.1 of every 100 active companies there Rio de Janeiro: 1,189 companies, 0.1 of every 100 active companies there Rio Grande do Norte: 276 companies, 0.1 of every 100 active companies there Rio Grande do Sul: 791 companies, 0.0 of every 100 active companies there Rondônia: 213 companies, 0.1 of every 100 active companies there Roraima: 33 companies, 0.1 of every 100 active companies there Santa Catarina: 570 companies, 0.0 of every 100 active companies there São Paulo: 1,920 companies, 0.0 of every 100 active companies there Sergipe: 170 companies, 0.1 of every 100 active companies there Tocantins: 153 companies, 0.1 of every 100 active companies there

Weight in each federative unit: of every 100 active companies, how many have this main activity

  1. 0.0
  2. 0.1
  3. 0.1
  4. 0.1
  5. 0.1

Federative units with the most companies

  1. 1 São Paulo 1,920
  2. 2 Minas Gerais 1,605
  3. 3 Rio de Janeiro 1,189
  4. 4 Bahia 1,081
  5. 5 Paraná 917
  6. 6 Rio Grande do Sul 791
  7. 7 Pernambuco 579
  8. 8 Santa Catarina 570
  9. 9 Pará 560
  10. 10 Goiás 556
See the 27 federative units
  1. 11 Ceará 538
  2. 12 Maranhão 435
  3. 13 Paraíba 390
  4. 14 Mato Grosso 379
  5. 15 Piauí 331
  6. 16 Espírito Santo 282
  7. 17 Rio Grande do Norte 276
  8. 18 Mato Grosso do Sul 262
  9. 19 Rondônia 213
  10. 20 Alagoas 204
  11. 21 Distrito Federal 196
  12. 22 Amazonas 170
  13. 23 Sergipe 170
  14. 24 Tocantins 153
  15. 25 Amapá 62
  16. 26 Acre 47
  17. 27 Roraima 33

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 475
  2. 2 Rio de Janeiro (RJ) 387
  3. 3 Nilópolis (RJ) 269
  4. 4 Brasília (DF) 196
  5. 5 Fortaleza (CE) 96
  6. 6 Manaus (AM) 90
  7. 7 Salvador (BA) 90
  8. 8 Curitiba (PR) 85
  9. 9 Goiânia (GO) 83
  10. 10 Natal (RN) 71
See the 30 cities
  1. 11 Belém (PA) 62
  2. 12 Maceió (AL) 61
  3. 13 Feira de Santana (BA) 61
  4. 14 Teresina (PI) 59
  5. 15 Belo Horizonte (MG) 57
  6. 16 Porto Alegre (RS) 54
  7. 17 Recife (PE) 52
  8. 18 São Luís (MA) 51
  9. 19 Aracaju (SE) 51
  10. 20 João Pessoa (PB) 47
  11. 21 Juazeiro do Norte (CE) 45
  12. 22 Cuiabá (MT) 45
  13. 23 Campina Grande (PB) 44
  14. 24 Macapá (AP) 43
  15. 25 Picos (PI) 43
  16. 26 Campo Grande (MS) 40
  17. 27 Duque de Caxias (RJ) 39
  18. 28 Guarulhos (SP) 39
  19. 29 Santarém (PA) 37
  20. 30 Vitória da Conquista (BA) 37

What activity 8640-2/02 is

  1. Section Q — Saúde humana e serviços sociais
  2. Division — Atividades de atenção à saúde humana
  3. Group — Atividades de serviços de complementação diagnóstica e terapêutica
  4. Class — Atividades de serviços de complementação diagnóstica e terapêutica

What it covers

  • As atividades dos laboratórios de análises clínicas
  • As atividades dos laboratórios de biologia molecular
  • Os postos de coleta laboratorial
  • As atividades de unidades móveis equipadas de laboratório de análises clínicas, com pessoal especializado, sem fornecimento de consultas médicas
  • Os postos de coleta de laboratórios de análises clínicas

What it does not cover

Typical activities

  • Coleta de sangue e urina para laboratórios
  • Laboratório de análises clínicas
  • Laboratório de biologia molecular
  • Laboratório de patologia clínica
  • Laboratórios de análise clínicas em unidades móveis
  • Postos de coleta laboratorial
  • Serviços de análises clínicas
  • Serviços de coleta de exames laboratoriais clínicos
  • Serviços de exames clínicos
  • Serviços de patologia clínica

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 8640-2

atividades de serviços de complementação diagnóstica e terapêutica, by subclass

Frequently asked questions about CNAE 8640-2/02

How many CNAE 8640-2/02 companies are there in Brazil?

13,924 active companies have CNAE 8640-2/02 as their main activity, according to the Receita Federal's October 2026 publication. It is 265th among the country's activities by companies.

Which activities make up class 8640-2?

Class 8640-2 has 15 subclasses: 8640-2/01; 8640-2/02; 8640-2/03; 8640-2/04; 8640-2/05; 8640-2/06; 8640-2/07; 8640-2/08; 8640-2/09; 8640-2/10; 8640-2/11; 8640-2/12; 8640-2/13; 8640-2/14; 8640-2/99. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.

Which federative unit has the most companies in this activity?

São Paulo, with 1,920. There, 0.0 of every 100 active companies have this main activity, against 0.1 in the national registry.

Does this total include branches and secondary activities?

No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.

Does active status mean a company is qualified for a contract?

No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.

How we count

Active companies in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.