Data model update - add optional fields or update to existing fields - approved

[lindaxiang]

Entity	Issue	Use case	Recommendation
Procedure	Uberon or ICD-O-3 does not natively encode laterality (left, right, bilateral).	MOHCCN data curation	Add optional field:  “body_site_laterality” into Procedure
Radiation	Uberon or ICD-O-3 does not natively encode laterality (left, right, bilateral).	MOHCCN data curation	Add optional field: “irradiated_site_laterality” into Radiation
Measurement	Allow the use of SNOMED CT terms for measurement_code and measurement_term fields where appropriate	Gen3G data curation	allow the use of SNOMED CT codes alongside LOINC to expand measurement representation
Measurement	Some units (e.g., mmol/L) are not available in UO	Gen3G data curation	Allow the use of UCUM codes (e.g., mmol/L) alongside UO to expand unit representation.
Exposure	Consider adding ECTO too. It was mentioned during a GA4GH Human Exposome data standards working group meeting that started discussions recently on incorporating exposure information.
Diagnosis	Consider adding Orphanet as well for rare diseases.
Treatment	Provide more context for “Other” option		Add one optional field “treatment_type_other” as free-text field