The Nordic Centre promotes the development and use of ICD-10 for morbidity statistics in the Nordic countries.


The Nordic countries have good opportunities to perform register-based research and statistics because of the unique personal identification number available to all persons with permanent residence. This number makes it possible to link information at the individual level from several registers.


There are National Patient registers in all the Nordic countries, for both in-patient as well as out-patient care. ICD-10 was introduced for the hospital statistics in 1994 in Denmark, 1996 in Finland, 1997 in Iceland and Sweden and 1999 in Norway. In Norway it is compulsory for the General Practitioners to use the International Classification of Primary Care (ICPC-2) for health care visits. Both ICPC or ICD-10 are used to a certain extent in Denmark, Iceland and Finland by the General Practitioners. Sweden has used an adaptation of ICD-10 for Primary Care since 1998.


Almost 100 percent of the GPs and 80-100 percent of the hospitals use Electronic Health Records (EHR). ATC codes are used in the EHRs for specific coding of adverse reactions and intoxications as optional codes to ICD-10 codes, or optional codes for administration of medications in the procedure classifications.  


The Nordic Reference Group for Classifications has its focus mainly on morbidity coding of procedures and diagnoses. A workshop took place in Copenhagen 21-22 September 2011. The intentions are that the workshop will be the start of a Nordic Morbidity Network, which can support the Nordic morbidity experts in the updating process for ICD-10 and in the  ICD-11 revision process. These workshops have thereafter been held each year.


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Latest update: 13 January 2015