NAP
Nasal Discharge Culture (including fungi)
NASBA
Na (sodium)
Natural Killer Cell Count
NEFA
Neisseria gonorrhoeae Nucleic Acid Test
Neisseria Meningitidis PCR
Nelfinavir
Neopterin - CSF
Neopterin (for inborn errors)
Neopterin - serum
Neoral
Neuronal Antibodies
Neuron Specific Enolase
Neurontin (trade name)
Neuropathy DNA Testing
Neutralising antibodies to Interferon Beta
Neutrophil Alkaline Phosphatase
Neutrophil Antibodies
Neutrophil Count
Neutrophil Cytoplasmic Antibodies (ANCA) *
Neutrophil Function Test
Nevirapine
Niacin
Nicotine metabolie - blood
Nipple discharge
Nitrate - plasma
Nitrazepam
Nitroprusside
Non-esterified fatty acids (NEFA)
Noradrenaline - plasma
Noradrenaline - urine
Normetanephrine - urine
Norovirus Antigen / PCR
Norovirus - faeces
Norpace
Nortriptyline
Norvir (trade name)
Norwalk virus
Nose Culture
NOVA Antibody
NSE
N-Telopeptide
NT-proBNP