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

CodeDisplayDefinition
annual AnnualAnnual, renewing on the anniversary
day DayPer day
lifetime LifetimeFor the total term, lifetime, of the policy or coverage
 <status value="draft"/> <experimental value="false"/> <date value="2021-12-02T19:54:18-07:00"/> <publisher value="Financial Management"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <description value="This value set includes a smattering of Benefit Term codes."/> <copyright value="This is an example set."/> <caseSensitive value="true"/> <valueSet value="http://terminology.hl7.org/ValueSet/benefit-term"/> <content value="complete"/> <concept> <code value="annual"/> <display value="Annual"/> <definition value="Annual, renewing on the anniversary"/> </concept> <concept> <code value="day"/> <display value="Day"/> <definition value="Per day"/> </concept> <concept> <code value="lifetime"/> <display value="Lifetime"/> <definition value="For the total term, lifetime, of the policy or coverage"/> </concept> </CodeSystem>