Change:

By including the profile reference in Prior Authorization resources a Payer will be able to exclude, or include, Prior Authorization records, dependent upon the use case. For the PDex IG it would be a case of adding the “_profile” search parameter to include only Prior Authorization records.

To:

By setting the value of ExplanationOfBenefit.Use to "preauthorization" in Prior Authorization resources a Payer will be able to exclude, or include, Prior Authorization records, dependent upon the use case. For the PDex IG it would be a case of setting “use=preauthorization” as a search parameter to include only Prior Authorization records.