| SNA | specimen not available; Student Nurses Association |
|---|---|
| ASO | administrative services only; allele-specific oligonucleoside; antistreptolysin O; arteriosclerosis ... |
| CD-ROM | compact disk-read only memory |
| CMO | cardiac minute output; Chief Medical Officer; comfort measures only; competitive medical organizatio... |
| CSO | claims services only; common source outbreak; craniostenosis; craniosynostosis; ostium of coronary s... |