Semi structured narrative data

dysuria warranting a urinary sediment to exclude a urinary tract infection

Bad idea - it is very, very easy for the wrong SNOMED codes to be picked up - this is a good example because actually this is arguably not a diagnosis at all, but an indication for an investigation.

Or better example

[Painless haematuria](openehr_mapping://snomed.info/sct/ 197938001) but warrants a urinary sediment to exclude a urinary tract infection