| MCAR | mixed cell agglutination reaction |
|---|---|
| MCGN | mesangiocapillary glomerulonephritis; minimal change glomerulonephritis; mixed cryoglobulinemia with... |
| MCL | maximum containment laboratory; medial collateral ligament; midclavicular line; midcostal line; mini... |
| MCN | maternal child nursing; minimal change nephropathy; mixed cell nodular [lymphoma] |
| MCTD | mixed connective tissue disease |