An ELEMENT to represent the result of a body weight measurement. Body weight shall be measured in kilograms with accuracy to the nearest 0.5 kg for adults; to the nearest 0.01 kg for infants or fluid balance purposes³; or to the nearest 0.001 kg for neonates. ^3: NPFIT-NCR-DES-0422.06 Representation of Commonly Used Concepts in the Care Record

Attributes

Name	Data type	Occurs	Description	Value Constraints
name	SC	1..1	The name, expressed as a coded value or as plain text, specifies the clinical or administrative concept to which this EHR node corresponds, as labelled in the EHR system in which it was first committed.	value Literal value(s): PROPERTY_OBSERVATION_ELEMENT
rc_id	II	1..1	The globally-unique identifier by which this node in the EHR hierarchy is referenced in the EHR system to which the data were first committed. This identifier shall be retained by the EHR Recipient and re-used whenever this RECORD_COMPONENT is subsequently included in another EHR_EXTRACT.
meaning	CD.CV	1..1	A coded representation of the type of weight observation (e.g. birth weight, body weight, body weight with shoes).	code Semantic expression constraint
synthesised	BL	1..1	This attribute value shall be TRUE if this RECORD_COMPONENT has been created in order to comply with this standard , but this point in the EHR hierarchy has no corresponding node in the EHR from which it was extracted.
obs_time	IVL_TS	0..1	The date and time of the weight observation.
value	PQ	1..1	The value of the weight observation.	unit Literal value(s): kg value Number of fraction digits: 3

COMPONENT RELATIONSHIPS

Subject of relationships

Name	Object of relationship	Occurs	Dependency
IsResultantObservationOf	BodyWeightMeasurement	0..1	INDEPENDENT
HasAnnotation	Text	0..*	INDEPENDENT
HasClinicalContext	UnboundGenericFinding	0..*	DEPENDENT_OBJECT
HasClinicalContext	GenericFindingObservation	0..*	DEPENDENT_OBJECT

Object of relationships

Name	Subject of relationship	Occurs	Dependency
IsDerivedObservation	BodySurfaceAreaObservation	1	INDEPENDENT
IsDerivedObservation	Kt/VObservation	0..*	INDEPENDENT
HasSubtype	GenericPropertyObservation2	0..1	INDEPENDENT
IsDerivedObservation	EstimatedBodyWaterCompositionObservation	0..*	INDEPENDENT
HasIndication	GenericTreatment	0..*	INDEPENDENT
HasIndication	ProductOrSubstanceRelatedActivity2	0..*	INDEPENDENT
IsInterpretationOf	DiagnosisName	0..*	INDEPENDENT

Item of ENTRY Domain Models

BodySurfaceArea

BodyWeight

Diagnosis

GenericTreatment

Kt/V

ProductOrSubstanceRelatedActivity2

Diagnosis

Reference Model Type

PROPERTY_OBSERVATION_ELEMENT