Naming conventions for estimated and measured intake or nutrient administration, in aggregate or as a portion of intake via a specified route (ie, oral, gastroenteral [enteral nutrition], parenteral nutrition, and via intravenous fluids), is as follows:
FSN: [technique] quantity of intake of [substance] via [route] in [timeframe] (observable entity)
SYN: [technique] quantity of intake of [substance] via [route] in [timeframe]
See the specific template: A nutritional intake (observable entity) - v1.0.
For example,
789106008 | Estimated quantity of intake of phosphorous in 24 hours (observable entity)|
FSN: Estimated quantity of intake of phosphorous in 24 hours (observable entity)
PT: Estimated quantity of intake of phosphorous in 24 hours
Dietary
"Dietary" is considered ambiguous and should not be included in SNOMED CT. Existing content that includes "dietary" will be considered for inactivation.