| IHCA | individual health care account; isocapnic hyperventilation with cold air |
|---|---|
| MICG | macromolecular insoluble cold globulin |
| PCH | paroxysmal cold hemoglobinuria; polycyclic hydrocarbon |
| OC | 1) Osteo-Calcin 2) Oral Contraceptive |
| OCG | Oral Cholecysto-Graphy |