| GPCI | geographic practice cost index |
|---|---|
| LCC | lactose coliform count; left circumflex coronary (artery); left common carotid; left coronary cusp; ... |
| MAC | MacConkey [broth]; major ambulatory category; malignancy-associated changes; maximum allowable conce... |
| MCCI | medical care component of the consumer price index; medical cost control initiative |
| OCD | obsessive compulsive disorder; Office of Child Development; Office of Civil Defense; osteochondritis... |