CNAE 8640-2/01 · Rio Grande do Norte
Laboratórios de anatomia patológica e citológica in Rio Grande do Norte
32 active companies are headquartered in Rio Grande do Norte with this CNAE as their main activity. They represent 2.0% 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 Grande do Norte
- 32
- 2.0% of Brazil's
- Of every 100 companies in Rio Grande do Norte
- 0.0
- do this activity
- Among Brazil's federative units
- 17th
- by companies in this activity
Active companies in Rio Grande do Norte
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2- LABORATORIO MEDICO DE PATOLOGIA LTDANatal (RN)
- SOCIEDADE MEDICA PATUENSE LTDAPatu (RN)
- FERNANDO GABRIEL FERNANDES DE NEGREIROS E CIA LTDANatal (RN)
- JATOBA LABORATORIO DE ANATOMIA PATOLOGIA E CITOLOGICA LTDA.Natal (RN)
- LAC - LABORATORIO DE ANALISES CLINICAS CITOLOGICAS E SERVICOS LTDACeará-Mirim (RN)
- LABOCLIN - LABORATORIO DE ANALISES CLINICAS LTDACampo Grande (RN)
- LABORATORIO RUDOLF VIRCHOW DE ANATOMIA PATOLOGICA E CITOPATOLOGIA LTDA S/SNatal (RN)
- LABORATORIO DE CITOPATOLOGIA DE MOSSORO LTDAMossoró (RN)
- LABORATORIO DE CITOPATOLOGIA LTDANatal (RN)
- NCS LABORATORIO DE ANALISES CLINICAS LTDAParnamirim (RN)
- LABORATORIO DE ANATOMIA PATOLOGICA E CITOPATOLOGIA LTDANatal (RN)
- CLINICLAB EXAMES LABORATORIAIS LTDASanta Cruz (RN)
- GC PATOLOGIA LTDAMossoró (RN)
- LABORATORIO MEDICO DE PATOLOGIA DO SERIDO S/C LTDACaicó (RN)
- LABORATORIO DE CITOLOGIA CLINICA DE NATAL LTDANatal (RN)
- LRZ LABORATORIO DE CITOLOGIA CLINICA LTDASão Gonçalo do Amarante (RN)
- CELULA LABORATORIO DE PATOLOGIA AVANCADA LTDA.Mossoró (RN)
- HISTOMED PATOLOGIA & DIAGNOSTICO LTDACaraúbas (RN)
- MICROLAB LABORATORIO DE ANALISES CLINICOS E MICROBIOLOGICOS LTDAPau dos Ferros (RN)
- EMPREENDIMENTOS 3L LTDAJucurutu (RN)
- CAMILA SOUZA-PATOLOGIA ESPECIALIZADA LTDAMossoró (RN)
- CENTRO DE CITOPATOLOGIA GINECOLOGICA E MAMARIA LTDACurrais Novos (RN)
- LIB - LABORATORIO DE INVESTIGACOES BIOMEDICAS LTDASão Miguel (RN)
- INSTITUTO DE CITOPATOLOGIA LTDAJoão Câmara (RN)
- R & M SERVICOS MEDICOS LTDANatal (RN)
- CARIOLAB LTDANatal (RN)
- MOEMA PIGNATARO LTDANatal (RN)
- MOYSES AKHENATON LEITE GAMA LTDANatal (RN)
- SERVICO DE APOIO LABORATORIAL LTDANatal (RN)
- DFT SERVICOS MEDICOS LTDANatal (RN)
List limited to 32 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 Grande do Norte0.0
- Brazil0.0
In Rio Grande do Norte, the activity weighs 1.9 times what it does in Brazil.
Rio Grande do Norte's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Natal 43.8% 14
- 2 Mossoró 12.5% 4
- 3 Campo Grande 3.1% 1
- 4 Caicó 3.1% 1
- 5 Caraúbas 3.1% 1
- 6 Ceará-Mirim 3.1% 1
- 7 Currais Novos 3.1% 1
- 8 João Câmara 3.1% 1
- 9 Jucurutu 3.1% 1
- 10 Parnamirim 3.1% 1
6 more cities
- 11 Patu 1
- 12 Pau dos Ferros 1
- 13 Santa Cruz 1
- 14 São Gonçalo do Amarante 1
- 15 São Miguel 1
- 16 São Tomé 1
Class 8640-2 in Rio Grande do Norte
atividades de serviços de complementação diagnóstica e terapêutica, by subclass| Subclass | Active |
|---|---|
| 8640-2/01 Laboratórios de anatomia patológica e citológica · this one | 32 |
| 8640-2/02 Laboratórios clínicos | 276 |
| 8640-2/03 Serviços de diálise e nefrologia | 19 |
| 8640-2/04 Serviços de tomografia | 19 |
| 8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia | 118 |
| 8640-2/06 Serviços de ressonância magnética | 8 |
| 8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética | 90 |
| 8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos | 4 |
| 8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos | 18 |
| 8640-2/10 Serviços de quimioterapia | 5 |
| 8640-2/11 Serviços de radioterapia | 12 |
| 8640-2/12 Serviços de hemoterapia | 2 |
| 8640-2/13 Serviços de litotripcia | 0 |
| 8640-2/14 Serviços de bancos de células e tecidos humanos | 0 |
| 8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente | 27 |
Close to this: 8640-2/02 · Laboratórios clínicos, 276 companies in Rio Grande do Norte.
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 Grande do Norte?
32 active companies have CNAE 8640-2/01 as their main activity in Rio Grande do Norte, 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 Grande do Norte's cities has the most companies in this activity?
Natal, with 14, 43.8% 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 Grande do Norte.