This code system http://terminology.hl7.org/CodeSystem/contactentity-type defines the following codes:

CodeDisplayDefinition
BILL BillingContact details for information regarding to billing/general finance enquiries.
ADMIN AdministrativeContact details for administrative enquiries.
HR Human ResourceContact details for issues related to Human Resources, such as staff matters, OH&S etc.
PAYOR PayorContact details for dealing with issues related to insurance claims/adjudication/payment.
PATINF PatientGeneric information contact for patients.
PRESS PressDedicated contact point for matters relating to press enquiries.
 <status value="draft"/> <experimental value="false"/> <date value="2021-03-06T13:53:33-07:00"/> <publisher value="FHIR Project team"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <description value="This example value set defines a set of codes that can be used to indicate the purpose for which you would contact a contact party."/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/contactentity-type"/> <content value="complete"/> <concept> <code value="BILL"/> <display value="Billing"/> <definition value="Contact details for information regarding to billing/general finance enquiries."/> </concept> <concept> <code value="ADMIN"/> <display value="Administrative"/> <definition value="Contact details for administrative enquiries."/> </concept> <concept> <code value="HR"/> <display value="Human Resource"/> <definition value="Contact details for issues related to Human Resources, such as staff matters, OH&S etc."/> </concept> <concept> <code value="PAYOR"/> <display value="Payor"/> <definition value="Contact details for dealing with issues related to insurance claims/adjudication/payment."/> </concept> <concept> <code value="PATINF"/> <display value="Patient"/> <definition value="Generic information contact for patients."/> </concept> <concept> <code value="PRESS"/> <display value="Press"/> <definition value="Dedicated contact point for matters relating to press enquiries."/> </concept> </CodeSystem>