This is the CodeSystem that contains codes in both ChargeItemCode (http://terminology.hl7.org/CodeSystem/chargeitem-billingcodes) and ChargeItemCode (http://terminology.hl7.org/CodeSystem/chargeitem-billingcodes).
Generated Narrative: CodeSystem 92b1373f-8aa2-4cd6-a494-1d9ca4d268db-144
This code system http://hl7.org/fhir/comparison/CodeSystem/92b1373f-8aa2-4cd6-a494-1d9ca4d268db-144 defines codes, but no codes are represented here