| PC: Ag | Protein C antigen |
|---|---|
| PCA | DL-p-chloroamphetamine |
| PCA | Para-chloramphetamine |
| PCA | Parietal Cell Antibodies |
| PCA | Passive Cutaneous Anaphylaxis |
| PCA | Passive cutaneous anaphylactic |
| PCA | Patient Controlled Analgesia |
| PCA | Perchloric acid |
| PCA | Porous Coated Anatomic |
| PCA | Porta-caval anastomosis |