This code system http://hl7.org/fhir/CodeSystem/verificationresult-status defines the following codes:

Code	Display	Definition
attested	Attested	***TODO***
validated	Validated	***TODO***
in-process	In process	***TODO***
req-revalid	Requires revalidation	***TODO***
val-fail	Validation failed	***TODO***
reval-fail	Re-Validation failed	***TODO***