| PCH | Paroxysmal Cold Hemoglobinuria |
|---|---|
| PCH | paroxysmal cold hemoglobinuria; polycyclic hydrocarbon |
| COLD | A cold agglutinin titer |
| PNH | Paroxysmal Nocturnal Hemoglobinuria |
| PHN | paroxysmal noctural hemoglobinuria; passive Heymann nephritis; postherpetic neuralgia; public health... |