N-TELOPEPTIDE, CROSS-LINKED, SERUM
N-TELOPEPTIDE, URINE
N-TELOPEPTIDES, URINE
NARCOLEPSY ASSOCIATED ANTIGEN, BLOOD
NASAL SMEAR FOR EOSINOPHILS
NATURAL KILLER CELLS
NBIL
NBT
NEISERRIA GONORRHOEAE RRNA [TMA] URINE
NEISSERIA GONORRHOEAE CULTURE
NEISSERIA GONORRHOEAE DNA PROBE
NEISSERIA GONORRHOEAE RRNA DETECTION (TMA)
NEMBUTAL (PENTOBARBITAL)
NERVE BIOPSY
NEUROBLASTOMA PROFILE (2 TESTS)
NEUROBLASTOMA PROFILE (ORDER 9253 & 9454)
NEURON-SPECIFIC ENOLASE
NEURON-SPECIFIC ENOLASE CSF
NEURONAL NUCLEAR (HU) AUTOABS
NEURONAL NUCLEAR AB
NEURONTIN
NEUROPATHOLOGY EXAMINATION OF TISSUE
NEUROSTEROIDS
NEUTROPHIL ANTIBODIES
NEUTROPHIL CYTOPLASMIC AUTOANTIBODIES EVALUATION
NEUTROPHIL OXIDATIVE BURST, BLOOD
NH3
NIACIN
NICKEL, SERUM
NICOTINE & METABOLITES, SERUM
NICOTINE AND METABOLITES, URINE
NIPPLE DISCHARGES, CYTOLOGY
NITROBLUE TETRAZOLIUM ASSAY
NK CELLS
NOCARDIA SMEAR
NONVOLATILE-VOLATILE, URINE
NORADRENALINE
NORCLOMIPRAMINE
NORDIAZEPAM
NOREPINEPHRINE
NORMAL FORMS (KRUGER STRICT MORPHOLOGY)
NORMETHSUXIMIDE
NOROVIRUS ANTIGEN
NORPACE
NORPRAMIN (DESIPRAMINE)
NORTRIPTYLINE
NSE
NTX CREATININE, URINE
NTX-TELOPEPTIDE, URINE
NUCLEIC ACID PROBE CHLAMYDIA TRACHOMATIS
NUCLEIC ACID PROBE NEISSERIA GONORRHOEAE