<status value="draft"/><experimental value="false"/><date value="2018-08-19T21:48:56+10:00"/><publisher value="HL7 (FHIR Project)"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom><telecom><system value="email"/><value value="fhir@lists.hl7.org"/></telecom></contact><description value="The level of confidence that this link represents the same actual person, based on NIST Authentication Levels."/><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/identity-assuranceLevel"/><content value="complete"/><concept><code value="level1"/><display value="Level 1"/><definition value="Little or no confidence in the asserted identity's accuracy."/></concept><concept><code value="level2"/><display value="Level 2"/><definition value="Some confidence in the asserted identity's accuracy."/></concept><concept><code value="level3"/><display value="Level 3"/><definition value="High confidence in the asserted identity's accuracy."/></concept><concept><code value="level4"/><display value="Level 4"/><definition value="Very high confidence in the asserted identity's accuracy."/></concept></CodeSystem>

IdentityAssuranceLevel

The level of confidence that this link represents the same actual person, based on NIST Authentication Levels.

This code system http://hl7.org/fhir/identity-assuranceLevel defines the following codes:

Code	Display	Definition
level1	Level 1	Little or no confidence in the asserted identity's accuracy.
level2	Level 2	Some confidence in the asserted identity's accuracy.
level3	Level 3	High confidence in the asserted identity's accuracy.
level4	Level 4	Very high confidence in the asserted identity's accuracy.