/billing_code, /billing_code_type, /billing_code_type_version, /description, /name, /negotiated_rates/negotiated_prices/billing_class, /negotiated_rates/negotiated_prices/billing_code_modifier, /negotiated_rates/negotiated_prices/expiration_date, /negotiated_rates/negotiated_prices/negotiated_rate, /negotiated_rates/negotiated_prices/negotiated_type, /negotiated_rates/negotiated_prices/service_code, /negotiated_rates/provider_references, /negotiation_arrangement