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 4c05a9f5-c5c6-415b-bc13-3335b255c8a0-144
This code system http://hl7.org/fhir/comparison/CodeSystem/4c05a9f5-c5c6-415b-bc13-3335b255c8a0-144 defines codes, but no codes are represented here