The ACTIVITY_ELEMENT class is a BOUND_DATA_ELEMENT whose coded meaning is contrained to represent a SNOMED CT procedure situation. The focus concept of the procedure situation must be subsumed either by 71388002 | procedure | or by 363787002 | observable entity | (for any evaluation activity that does not have a corresponding 'evaluation procedure'). Types of information represented by ACTIVITY_ELEMENT includes:

• Treatments - procedures that are intended to have a therapeutic, preventative, curative or palliative effect.
• Investigations - procedures that are undertaken to find out more information about a patient's state of health or wellbeing.
• Administrative Procedures - procedures, typically of a clerical nature, that support the investigation and/or treatment of a patient.
• Provision of Advice and Information to Patients and Carers - the activity of providing advice and information about a patient's health or social care, to the patient or to their specified carer.

The value attribute is constrained to the null flavor NA | not applicable | so as to prohibit its use within the LRA whilst maintaining conformance to EN 13606-1:2007.

Specializes

BOUND_DATA_ELEMENT

Constraints

Type	Name	Specification
meaning is a procedure	Invariant	--The meaning.code conforms to the specified semantic constraint. inv: meaning.code.semantic(LraProcedureObservationElementMeaning)
value is null	Invariant	-- Attribute value has null flavor NA|not applicable| value.nullFlavor.oclIsDefined and value.nullFlavor = LraAnyNullFlavor.NA