| CSO | claims services only; common source outbreak; craniostenosis; craniosynostosis; ostium of coronary s... |
|---|---|
| DO | Doctor of Osteopathy (one of two fully recognized medical practioners in the US-the other being MD);... |
| EPROM | erasable programmable read-only memory |
| FEUO | for external use only |
| FIUO | for internal use only |