FHIR Resources for Nutrition Assessment and Reassessment

Nutrition Assessment involves collecting and analyzing data to identify nutrition-related issues.

Nutrition Assessment Data and Associated FHIR Resources

Several FHIR resources can represent different aspects of the assessment:

Types of data collected	Purpose	Example	FHIR Resource
Food- and nutrition-related history	Capture dietary habits and intake information	Food diary entries	Observation NutritionOrderNutritionProduct****NutritionIntake
Anthropometric measurements	Record physical measurements such as weight, height, BMI	Weight: 70 kg, Height: 170 cm	Observation
Tests	Document laboratory or diagnostic tests	Blood glucose levels	Observation
Test results	Record results of tests	Hemoglobin A1c: 5.5%	Observation
Nutrition-focused physical examination findings	Detailed findings from a nutrition-focused physical exam	Skin condition, hair texture	Observation****Condition
Patient history	Capture medical history	Chronic conditions, surgeries	Observation

Example

Nutrition Assessment
[code]
{
"resourceType": "Observation",
"id": "observation-weight",
"status": "final",
"category": [
{
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/observation-category",
"code": "vital-signs",
"display": "Vital Signs"
}
]
}
],
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "27113001",
"display": "Body weight (observable entity)"
}
],
"text": "Body Weight"
},
"subject": {
"reference": "Patient/example"
},
"valueQuantity": {
"value": 70,
"unit": "kg",
"system": "http://unitsofmeasure.org",
"code": "kg"
}
}
[/code]

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