# Finnish Health Registries and Medical Coding

Finland boasts as one of the few countries which has truly rich electronic health records: essentially tracking a Finn from birth till death.

![](/files/0v3DS3e5VnfxHPhHmhGj)

In this section, we describe the Finnish health registries and the medical coding that you can use as an analyst to "create" your own phenotypes or further interrogate your analytical curiosities:

* [**Finnish Health Registries**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/finnish-health-registers.md)
* [**Register data pre-processing**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/register-data-pre-processing.md)
* [**Data Masking/Blurring of Visit Dates**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/data-masking-blurring-of-visit-dates.md)
* [**International and Finnish Health Code Sets**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/international-and-finnish-health-code-sets.md)
* [**More information on health code sets**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/more-information-on-health-code-sets.md)
* [**VNR code mapping to RxNorm**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/vnr-code-mapping-to-rxnorm.md)
* [**Register code translation files**](/finngen-data-specifics/finnish-health-registers-and-medical-coding/where-to-find-the-translation-file-for-phenotype-data.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.finngen.fi/finngen-data-specifics/finnish-health-registers-and-medical-coding.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
