| JN | Jamaican neuropathy |
|---|---|
| MN | a blood group in the MNSs blood group system; malignant nephrosclerosis; Master of Nursing; meganewt... |
| NARP | neuropathy-ataxia-retinitis pigmentosa [syndrome] |
| NOD | Naito-Oyanagi disease; National Organization on Disability; nodular melanoma; nonobese diabetic; not... |
| NPDR | nonproliferative diabetic retinopathy |