CNAE 8640-2/01 · Rio de Janeiro
Laboratórios de anatomia patológica e citológica in Rio de Janeiro
129 active companies are headquartered in Rio de Janeiro with this CNAE as their main activity. They represent 8.1% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 1,593
What this list shows
We count each active company once, by its head office in this state 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.
- Companies in Rio de Janeiro
- 129
- 8.1% of Brazil's
- Of every 100 companies in Rio de Janeiro
- 0.0
- do this activity
- Among Brazil's federative units
- 3rd
- by companies in this activity
Active companies in Rio de Janeiro
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 2 of 5- LABORATORIO AJA DE PATOLOGIA,ANALISES CLINICAS E TREINAMENTO DE PESSOAL LTDARio de Janeiro (RJ)
- LUCIANO DUARTE PESSANHA LTDACampos dos Goytacazes (RJ)
- LAPAT LABORATORIO DE ANATOMIA PATOLOGICA E CITOPATOLOGIA LTDAItaperuna (RJ)
- L&M BRAGA LABORATORIO LTDARio das Ostras (RJ)
- RH LABS MEDICINA DIAGNOSTICA LTDARio de Janeiro (RJ)
- LFARAUJO DERMACENTRO E PATOLOGIA LTDARio Bonito (RJ)
- M M M LABORATORIO DE PATOLOGIA LTDARio de Janeiro (RJ)
- MORAES MARTINS DIAGNOSTICO LABORATORIAL LTDATeresópolis (RJ)
- BIO MED LABORATORIO DE ANALISES CLINICAS LTDADuque de Caxias (RJ)
- BOTAFOGO DIAGNOSTICOS LABORATORIAIS SCPRio de Janeiro (RJ)
- RIODERMACENTRO E PATOLOGIA LTDARio Bonito (RJ)
- LABORATORIO DE PATOLOGIA HE LTDARio de Janeiro (RJ)
- LABCARDEMAN ANATOMIA PATOLOGICA E CITOPATOLOGIA LTDARio de Janeiro (RJ)
- DR. LEON CARDEMAN LABORATORIO DE CITOPATOLOGIA LTDARio de Janeiro (RJ)
- ANATOMIA PATOLOGICA E CITOPATOLOGIA DIAGNOSTICA LTDASão Gonçalo (RJ)
- DDP SERVICOS MEDICOS LTDARio de Janeiro (RJ)
- CLAUDIA PIRES PATOLOGIA CLINICA LTDARio de Janeiro (RJ)
- DIAGNOSE ANATOMIA PATOLOGICA E CITOPATOLOGIA LTDA.Rio de Janeiro (RJ)
- MARIA ANGELA MARCHEVSKI LABORATORIO DE ANATOMIA PATOLOGICA E CITOPATOLOGIA LTDARio de Janeiro (RJ)
- LABORATORIO NOVO LTDASão Gonçalo (RJ)
- CLINICA HCA SAUDE LTDASeropédica (RJ)
- LAPDIAGNOSTICOS DE NOVA FRIBURGO LTDANova Friburgo (RJ)
- INSTITUTO LISMAPS MEDICINA PERSONALIZADA LTDANiterói (RJ)
- AMERICAN BARRA ANATOMICAL INSTITUTE LTDARio de Janeiro (RJ)
- CIRCULO BRASILEIRO DE PATOLOGIA LTDARio de Janeiro (RJ)
- DR. ULISSES LABORATORIO DE PATOLOGIA LTDAValença (RJ)
- DIAGNOSTICOS FALCAO LTDABarra Mansa (RJ)
- HUMANUS MEDICINA DIAGNOSTICA LTDA.Niterói (RJ)
- C & M LABORATORIO DE ANATOMIA PATOLOGICA E CITOLOGICA LTDASão Gonçalo (RJ)
- A. A. STUDIO DE PATOLOGIA LTDARio de Janeiro (RJ)
List limited to 129 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.
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.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
How much the activity weighs
of every 100 active companies, how many do this activity
- Rio de Janeiro0.0
- Brazil0.0
In Rio de Janeiro, the activity weighs what it does in Brazil.
Rio de Janeiro's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Rio de Janeiro 51.9% 67
- 2 Campos dos Goytacazes 5.4% 7
- 3 Niterói 5.4% 7
- 4 Nova Iguaçu 3.1% 4
- 5 São Gonçalo 3.1% 4
- 6 Volta Redonda 3.1% 4
- 7 Petrópolis 2.3% 3
- 8 Rio das Ostras 1.6% 2
- 9 Angra dos Reis 1.6% 2
- 10 Barra do Piraí 1.6% 2
20 more cities
- 11 Duque de Caxias 2
- 12 Macaé 2
- 13 Resende 2
- 14 Rio Bonito 2
- 15 São João de Meriti 2
- 16 Vassouras 2
- 17 São Francisco de Itabapoana 1
- 18 Seropédica 1
- 19 Tanguá 1
- 20 Queimados 1
- 21 Barra Mansa 1
- 22 Bom Jesus do Itabapoana 1
- 23 Itaboraí 1
- 24 Itaperuna 1
- 25 Magé 1
- 26 Nilópolis 1
- 27 Nova Friburgo 1
- 28 Rio Claro 1
- 29 São Pedro da Aldeia 1
- 30 Teresópolis 1
Class 8640-2 in Rio de Janeiro
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica · this one | 129 |
| 8640-2/02 Laboratórios clínicos | 1,189 |
| 8640-2/03 Serviços de diálise e nefrologia | 104 |
| 8640-2/04 Serviços de tomografia | 591 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 1,023 |
| 8640-2/06 Serviços de ressonância magnética | 56 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 447 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 132 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 97 |
| 8640-2/10 Serviços de quimioterapia | 32 |
| 8640-2/11 Serviços de radioterapia | 40 |
| 8640-2/12 Serviços de hemoterapia | 22 |
| 8640-2/13 Serviços de litotripcia | 0 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 2 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 394 |
Close to this: 8640-2/02 · Laboratórios clínicos, 1,189 companies in Rio de Janeiro.
What activity 8640-2/01 is
- As atividades dos laboratórios de anatomia patológica e citológica, tais como: #- exames citológicos #- exames citopatológicos #- exames histopatológicos
Frequently asked questions
How many companies have main CNAE 8640-2/01 in Rio de Janeiro?
129 active companies have CNAE 8640-2/01 as their main activity in Rio de Janeiro, according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.
Which of Rio de Janeiro's cities has the most companies in this activity?
Rio de Janeiro, with 67, 51.9% of the state's companies in this activity.
Why can this total differ from the companies operating in this state?
This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.
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 with this as their main activity, counted by head office in Rio de Janeiro.