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

Code	Display	Definition
cmspos	CMS Place of Service	Place of Service Codes are two-digit codes placed on health care professional claims to indicate the setting in which a service was provided. The Centers for Medicare & Medicaid Services (CMS) maintain POS codes used throughout the health care industry.
typeofbill	Type of Bill	UB-04 Type of Bill (FL-04) provides specific information for payer purposes.
servicefacility	Service Facility	The facility where the service occurred. Examples include hospitals, nursing homes, laboratories or homeless shelters.
drg	DRG	DRG (Diagnosis Related Group), including the code system, the DRG version and the code value
pointoforigin	Point of Origin	UB-04 Source of Admission (FL-15) identifies the place where the patient is identified as needing admission to a facility.
admtype	Admission Type	UB-04 Priority of the admission (FL-14) indicates, for example, an admission type of elective indicates that the patient's condition permitted time for medical services to be scheduled.
claimFrequency	Claim Frequency	Claim frequency - uses the last digit of the NUBC type of billing code.