| RCDR | relative corrected death rate |
|---|---|
| RCE | reasonable compensation equivalent |
| RCF | red cell ferritin; red cell folate; relative centrifugal field/force; ristocetin cofactor |
| RCG | radioelectrocardiography |
| RCGP | Royal College of General Practitioners |
| RCH | rectocolic hemorrhage |
| RCHF | right congestive heart failure |
| RCHMS | Regional Committee for Hospital Medical Services |
| RCI | respiratory control index |
| RCIA | red cell immune adherence |