ASFA categories
| ASFA category . | Definition . |
|---|---|
| I | Primary treatment, either stand-alone or in conjunction with other therapies |
| II | Secondary treatment, either stand-alone or in conjunction with other therapies |
| III | Role of apheresis is uncertain, and decision-making should be individualized |
| IV | Evidence demonstrates apheresis to be ineffective or harmful |
| ASFA category . | Definition . |
|---|---|
| I | Primary treatment, either stand-alone or in conjunction with other therapies |
| II | Secondary treatment, either stand-alone or in conjunction with other therapies |
| III | Role of apheresis is uncertain, and decision-making should be individualized |
| IV | Evidence demonstrates apheresis to be ineffective or harmful |