| NEE | needle electrode examination |
|---|---|
| NLB | needle liver biopsy |
| ONC | oncogene; oncology; Orthopaedic Nursing Certificate; over-the-needle catheter |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| PNLA | percutaneous needle lung aspiration |