This case-sensitive code system http://hl7.org/fhir/us/davinci-pct/CodeSystem/PCTAdjudication defines the following codes:

Code	Display	Definition
coinsurance	Co-insurance	The amount the insured individual pays, as a set percentage of the cost of covered medical services, as an out-of-pocket payment to the provider. Example: Insured pays 20% and the insurer pays 80%.
noncovered	Noncovered	The portion of the cost of this service that was deemed not eligible by the insurer because the service or member was not covered by the subscriber contract.
memberliability	Member liability	The amount of the member's liability.
discount	Discount	The amount of the discount