| NPD | narcissistic personality disorder; natriuretic plasma dialysate; negative pressure device; Niemann-Pick disease; nitrogen-phosphorus detector; nonpathologic diagnosis; normal protein diet |
|---|---|
| NPDB | National Practitioner Data Bank |
| NPDC | neurofibromatosis-pheochromocytoma-duodenal carcinoid [syndrome] |
| NPDL | Nodular Poorly Differentiated Lymphocytic |
| NPDL | nodular poorly differentiated lymphocytic |
| NPDR | nonproliferative diabetic retinopathy |