| pre | preliminary; preparation or prepare; pretreatment |
|---|---|
| RPSP | reference preparation for serum proteins |
| CL | VOID clean voided specimen [urine] |
| CSU | casualty staging unit; catheter specimen of urine; central statistical unit; clinical specialty unit... |
| CUS | carotid ultrasound examination; catheterized urine specimen; contact urticaria syndrome |