N K (NATURAL KILLER CELLS) - NUS PAEDS N MENINGITIDIS PCR - KKH nAmb a 1 Ragweed nAna c 2 Bromelain, Pineapple nArt v 1 Mugwort nArt v 3 LTP Mugwort nAsp o 21 Alpha-amylase NAT TESTING FOR STEM CELL DONOR - NUH nBos d 4 alpha-lactalbumin, Milk nBos d 5 beta-lactoglobulin, Milk nBos d 8 Casein, Milk nBos d6 BSA, Cow nCan f 3 Dog serum albumin nCar p 1 Papain, Papaya nCup a 1 Cypress nCyn d 1 Bermuda grass Neisseria Gonorrhoeae DNA NEISSERIA GONORRHOEAE PCR - NUH Nettle NEUROBLASTOMA PANEL - NUH NEUROTROPHIC VIRUS CFT - SGH NEUROTROPHIC VIRUS CULTURE PANEL - SGH NEW CASE LEUKEMIA PANEL - NUH NEWBORN SCREENING (NBS) PANEL - KKH nFel d 2 Cat serum albumin nGal d 3 Conalbumin, Egg nGal d 4 Lysozyme, Egg nGal-alpha-1, 3-Gal (alpha-Gal) Thyroglobulin, bovine nGly m 5 beta-conglycinin, Soy nGly m 6 Glycinin NICKEL, SERUM - SGH NICKEL, URINE - SGH NIPAH VIRUS IGG - SGH NIPAH VIRUS IGM - SGH NITRO BLUE TETRAZOLIUM - SGH NK CELLS - SGH NMYC - KKH nOle e 7 LTP, Olive NOROVIRUS ANTIGEN EIA - SGH NOROVIRUS PCR - NUH NOROVIRUS PCR - SGH NOTCH3 TARGETED SEQUENCING - TTSH NPC Gold - Lucence nPhl p 4 Timothy NPM1 BY PCR - SGH NRAS NRAS + BRAF NRAS+KRAS NRAS+KRAS+BRAF nSalk k 1 Saltwort nSus s Pepsin, Swine nSus s Pig serum albumin, Swine N-Terminal ProBNP (N-terminal pro B-type natriuretic peptide) Nucleated RBC for Cord Blood NUCLEIC ACID TEST FOR HIV, HCV & HBV-NUH NUCLEIC ACID TESTING - HSA