Although most Lyme Disease Guidelines including NICE failed to recognise Dementia caused by Lyme Disease the World Health Organisation and United Nations do.
The ICD codes were recently revised and the ICD11 Report was formally adopted in June 2018 by the United Nations and its implementation will begin in 2019.
To view enter Lyme in the search on this link and a drop down will appear
https://icd.who.int/browse11/l-m/en#/