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 756116d5-ab36-4b33-858d-2ea088e61db3-144
This code system http://hl7.org/fhir/comparison/CodeSystem/756116d5-ab36-4b33-858d-2ea088e61db3-144 defines codes, but no codes are represented here