Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization.

Group
identifier
Business Identifier for this Group
active
Whether this group's record is in active use
type
person | animal | practitioner | device | careteam | healthcareservice | location | organization | relatedperson | specimen
membership
definitional | enumerated
code
Kind of Group members
name
Label for Group
description
Natural language description of the group
quantity
Number of members
managingEntity
Entity that is the custodian of the Group's definition
characteristic
Include / Exclude group members by Trait
code
Kind of characteristic
value[x]
Value held by characteristic
exclude
Group includes or excludes
period
Period over which characteristic is tested
member
Who or what is in group
entity
Reference to the group member
period
Period member belonged to the group
inactive
If member is no longer in group