Tests and Procedures

Our Clinical Laboratory Services cover diversified diagnoses that patients and physicians need in making healthcare decisions such as

Find a test or procedure by its first letter

Find a test or procedure by its first letter

Find a test or procedure by its first letter

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Test Code Test Name Sample Storage Specimen Turnaround time
A633 Von Willebrand Factor(vWf) Ag (Siriraj) Freeze Citrate plasma 1 ml 11 days
A745 von Willebrand Factor (Siriraj Hospital) Freeze Citrate plasma 1 ml x 3 tubes 11 days
B320 von Hippel-Lindau gene Mutation(VHL) 2-8 °C EDTA whole blood 6-10 ml 30 days
C064 VLDL-Cholesterol (BGH) 2-8 °C serum 1 ml 1 day
C161 Vitamin D Level (1,25-Dihydroxy Vitamin D3)(Mayo) Frozen (Stability 28 days) Serum 2 ml (protected from light) 13 days
C163 Vitamin D ( 25-Hydroxy vitamin D total )( NHS) Sample stability : 8 hours at 18 -25 C , 4 days at 2 -8 C , 4 weeks at -20 C . Serum 1 ml 1 day
C216 Vitamin B3 (Niacin and Metabolites)(Questdiagnostics) Refrigerated: 7 Days Frozen: 30 Days Serum 2 ml (DO NOT USE GEL TUBES) 30 Days
C786 Voltage-Gated Calcium Channel (VGCC) Antibody(Questdiagnostics) Frozen ; stability 35 Days Serum 2 mL 30 Days
C960 Very Long Chain LysoPC(screen for peroxisomal disorders)(Kennedy Krieger Institute) room temp 6-12 circles of blood spot on filter paper 15 days
H023 VTM for Enterovius 1 tube (NIH) - - 30 Days
H024 VTM for Influenza virus 1 tube (NIH) - - 30 Days
H065 VZV DNA Quantitative (King Chulalongkorn Memorial Hospital) 2-8 °C CSF 1 ml or urine 1 ml or EDTA whole blood 3 ml or EDTA plasma 11 days
H066 Varicella zoster virus antigen(Siriraj) 2-8 °C Vesicular scrape (on slide) 5 days
H163 Varicella zoster virus - infected cell Ag(Chula) 2-8 °C (stability 2 days) Cell from lesion in slide 2 slides 3 days
H191 VZV DNA Detection [Siriraj] 2-8 °C Body Fluid, CSF, Sputum, BAL ,EDTA Plasma 1 ml. 14 Days
K350 von Willebrand Factor (vWfAg RiCof CBA)(Chula) Freeze Na Citrate plasma 1 ml x 3 tubes 18 days
M230 Varicella Zoster Virus (VZV) PCR 2-8°C (Separate plasma within 6 hours of collection) EDTA Plasma or serum 1 mL / CSF 500uL Vesicle fluid ,Swab collected in NSS 1 mL 3 days
M418 Viral Meningitis Panel Multiplex PCR (Neuro 11) [BML] 2-8°C / Frozen (Separate plasma within 6 hours of collection) CSF 0.5 mL / EDTA plasma 1 mL 3 days
M978 Verifi NIPT (NGG) room temperature 7-10 mL Whole Blood in Streck BCT tube, Mix blood by gentle inversion 8-10 times 12 Days
M979 Verifi NIPT Plus Microdeletions (NGG) room temperature 7-10 mL Whole Blood in Streck BCT tube, Mix blood by gentle inversion 8-10 times 12 Days
MM068 Von Hippel-Lindau Syndrome (LMGG) 4 °C EDTA blood 6 ml 30 days
MM778 Verifi PLUS All chromosome(NGG) room temperature 7-10 mL Whole Blood in Streck BCT tube, Mix blood by gentle inversion 8-10 times 12 Days
MM779 Verifi PLUS Microdeletion and All chromosome(NGG) room temperature 7-10 mL Whole Blood in Streck BCT tube, Mix blood by gentle inversion 8-10 times 12 Days
MM792 Von hipple lindau(LMGG) 2-8 °C EDTA blood 6 ml. 30 days
N475 VMA (BRIA) 2-8 °C 24 Hr Urine (preserved by 30 ml of 6N HCL ) 10 - 50 ml 5 days
N950 Vitamin B12 2-8 °C protected from light serum 1 ml (Vitamin B12 determinations should be performed on serum or plasma samples from fasting patients.) 1 day
N984 VMA(Chula) 2-8 °C 24 Hr Urine (preserved by 30 ml of 6N HCl ) 50 ml , minimum volume 5 ml 21 days
P010 VDRL (RPR) 2-8 °C serum 1 ml 1 day
P011 VDRL in CSF (Siriraj Hospital) 2-8 °C Serum or CSF 1 ml (minimum 0.5 ml) 7 days
P125 Vibrio cholerae O1 /O139 Antigen (DMSC) Room temp Vibrio cholerae 5 colonies on Nutient agar or Muller Hinton agar 16 days
P760 Varicella Zoster IgM (IFA titer)(BPL) 2-8 °C serum 1-2 ml 3 days
P764 Varicella Zoster IgG 2-8oC 7days serum 1 ml 2 days
P765 Varicella Zoster IgM (BRIA) 2-8 °C serum 1 ml 7 days
P778 Varicella Zoster IgG IFA (CSF)(BPL) 2-8 °C CSF 1-2ml 3 days
P779 Varicella Zoster IgM IFA (CSF)(BPL) 2-8 °C CSF 1-2 ml 4 days
P791 Varicella Zoster IgG (EIA Quantitative) (BPL) 2-8 °C serum 1-2ml 3 days
R402 Vas deferens (both sides), vasectomy, sterilization Room temp Formalin fixed specimen 3-5 days
R528 Vulva, vulvectomy Room temp Formalin fixed specimen 3-5 days
R529 Vulva, biopsy Room temp Formalin fixed specimen 3-5 days
S001 Vitamin A (HPLC) Light protected at 2-8 °C Serum 1 ml within 7 days
S002 Vitamin B1 (HPLC) Light protected at 2-8 °C EDTA whole blood 1 ml within 10 days
S003 Vitamin B2 (HPLC) Light protected at 2-8 °C EDTA whole blood 1 ml within10 days
S004 Vitamin B6 (HPLC) Light protected at 2-8 °C EDTA whole blood 1 ml within 10 days
S005 Vitamin C (HPLC) Light protected at 2-8 °C Serum 1 ml within 7 days
S006 Vitamin E (HPLC) Light protected at 2-8 °C. Serum 1 ml within 7 days
S074 Vitamin D2/D3 (25-OH Vit D2/D3)(LC-MS/MS) Store at 2-8 ºC Serum 1 mL. within 3 days
S200 Vanillylmandelic Acid(VMA) Urine-HPLC (24-h Urine) Store at 2-8 °C . 24 hr urine 10-20 mL . Preservative :Hydrochloric acid Record total volumn. within 10 days
S206 VMA, HVA, 5-HIAA, Urine-HPLC (24-h Urine) Store at 2-8 °C . 24 hr urine 10-20 mL . Preservative :Hydrochloric acid Record total volumn. within 10 days
T098 Vascular Endothelial Growth Factor-A (VEGF-A)(Biostem) frozen , 3 days 2-8 oc , 5 hours EDTA plasma 1 ml 2 tube + Attach CBC result every case 16 days
T527 Vasoactive Intestinal Polypeptide (VIP)(Mayo) Freeze (stability 90 Days) EDTA plasma 2 ml 15 Days
V110 Vancomicin (P&T) 2-8°C serum 1 ml 1 day
V112 Voriconazole level (Siriraj Hospital) 2-8 °C Lithium heparine 3-5 ml. or Plasma 1-1.5 ml. 9 Days
V136 Voriconazole level (Rama) 2-8 °C Clotted blood 3-5 ml. or Serum 1 ml or NaF blood 2 ml. 7 Days
V220 Valproic Acid (Depakine) 2-8 °C serum 1 ml 1 day
V751 Volatile organic compounds(GC/MS)(Siriraj) 2-8 °C Gastric contents 20 ml 5 days