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 b39d974e-2b72-42ac-95a6-171d2985af14-144
This code system http://hl7.org/fhir/comparison/CodeSystem/b39d974e-2b72-42ac-95a6-171d2985af14-144 defines codes, but no codes are represented here