> For the complete documentation index, see [llms.txt](https://docs.finngen.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.finngen.fi/finngen-data-specifics/finnish-health-registers-and-medical-coding.md).

# 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)