This code system http://hl7.org/fhir/payment-kind defines the following codes:

CodeDisplayDefinition
deposit Deposit on AccountThe payment or adjustment is to an indicated account not to a specific charge.
periodic-payment Periodic PaymentThe payment is one of a set of previously agreed payments, for example in fullfilment of a payment plan.
online Online Bill PaymentPayment, full or partial, of an invoice or statement provided to the payment issuer.
kiosk Kiosk PaymentPayment made at an authorized Kiosk.
<status value="active"/><experimental value="false"/><publisher value="FHIR Project team"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom></contact><description value="This value set contains codes for the type of workflow from which payments arise."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><copyright value="HL7 Inc."/><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/payment-kind"/><content value="complete"/><concept><code value="deposit"/><display value="Deposit on Account"/><definition value="The payment or adjustment is to an indicated account not to a specific charge."/></concept><concept><code value="periodic-payment"/><display value="Periodic Payment"/><definition value="The payment is one of a set of previously agreed payments, for example in fullfilment of a payment plan."/></concept><concept><code value="online"/><display value="Online Bill Payment"/><definition value="Payment, full or partial, of an invoice or statement provided to the payment issuer."/></concept><concept><code value="kiosk"/><display value="Kiosk Payment"/><definition value="Payment made at an authorized Kiosk."/></concept></CodeSystem>