| Services Paid under Fee Schedule or Payment System other than OPPS | |
| Codes Not Recognized by OPPS when submitted on Outpatient Hospital Part B Bill Type (12x/13x) | |
| Inpatient Procedures, not paid under OPPS | |
| Discontinued Codes | |
| Non-Covered Service, not paid under OPPS | |
| Corneal, CRNA and Hepatitis B | |
| Pass-Through Drugs and Biologicals | |
| Pass-Through Device Categories | |
| Nonpass-Through Drugs and Nonimplantable Biologicals, Including Therapeutic Radiopharmaceuticals | |
| Influenza Vaccine; Pneumococcal Pneumonia Vaccine | |
| Items and Services Not Billable to the Fiscal Intermediary/MAC | |
| Items and Services Packaged into APC Rates | |
| Partial Hospitalization | |
| STVX-Packaged Codes | |
| T-Packaged Codes | |
| Codes That May Be Paid Through a Composite APC | |
| Blood and Blood Products | |
| Significant Procedure, Not Discounted When Multiple | |
| Significant Procedure, Multiple Reduction Applies | |
| Brachytherapy Sources | |
| Clinic or Emergency Department Visit | |
| Ancillary Services | |
| Non-Implantable Durable Medical Equipment |