"Payment status indicator" is a 1- or 2-letter code meaning:
| Code | Description |
| 0 |
Invalid HCPCS code (value of 0) |
| A |
Services paid under fee schedule |
| AA |
Ambulance fee schedule |
| AD |
DMEPOS fee schedule |
| AL |
Clinical labs fee schedule |
| AM |
Screening mammography |
| AR |
Rehabilitation fee schedule |
| AX |
Other fee schedule |
| B |
Service not allowed under OPPS |
| C |
Inpatient service, not paid under OPPS |
| E |
Non-covered service, not paid under OPPS |
| F |
Corneal, CRNA and hepatitus B |
| G |
Drug/biological pass-through |
| H |
Pass-through device categories |
| J |
New drug/biological, transitional pass-through payment |
| K |
Non-pass-through drugs and non-implantable biologicals, including therapeutic radiopharmaceuticals |
| M |
Service not billable to the FI/MAC |
| N |
Packaged/incidental service |
| P |
Partial hospitalization service |
| Q |
Packaged service subject to separate payment under OPPS |
| Q1 |
STVX-packaged service |
| Q2 |
T-packaged service |
| Q3 |
Service that may be paid through a composite APC |
| R |
Blood and blood products |
| S |
Significant procedure, not subject to discounting |
| T |
Significant procedure, subject to discounting |
| U |
Brachytherapy services |
| V |
Clinic or emergency department visit |
| X |
Ancillary service |
| Y |
Non-implantable DME |