An ELEMENT to represent the observation of body surface area derived by an appropriate formula.

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.SCT	1..1	The standardised clinical or administrative concept to which the name attribute has been mapped. In archetyped systems it will correspond to the archetype node name. In non-archetyped systems it might be a coded term from an appropriate terminology system.	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.	value Literal value(s): true
obs_time	IVL_TS	0..1	The date and time, or interval, at which the ITEM actually occurred or was true, if different from the session time of the COMPOSITION.
value	PQ	1..1	An ELEMENT has a single DATA_VALUE containing the value, unless this is indicated as absent by a null_flavour attribute.

Constraints

Type	Name	Specification
attribute synthesised has fixed value 'true'	LRA Invariant	inv: synthesised = 'true'

COMPONENT RELATIONSHIPS

Subject of relationships

Name	Object of relationship	Occurs	Dependency
IsDerivedObservation	BodyHeightObservation	0..1	INDEPENDENT
IsDerivedObservation	BodyWeightObservation	0..1	INDEPENDENT

Object of relationships

Name	Subject of relationship	Occurs	Dependency
HasSubtype	GenericPropertyObservation2	0..1	INDEPENDENT

Item of ENTRY Domain Models

BodySurfaceArea

Diagnosis

Reference Model Type

PROPERTY_OBSERVATION_ELEMENT