| VAGPCR | Vaginal Pathogen PCR | — |
| VALP | Valproic Acid, (Depakene) | Homogeneous Enzyme Immunoassay |
| VPFT | Valproic Acid, Free and Total | — |
| VANP | Vancomycin Peak | Kinetic Interaction of Microparticles in Solution (KIMS) |
| VANT | Vancomycin Trough | Kinetic Interaction of Microparticles in Solution (KIMS) |
| VANRAN | Vancomycin, Random | Kinetic Interaction of Microparticles in Solution (KIMS) |
| VZECSF | Varicella Zoster (VZV) Antibody, IgG, CSF | — |
| VZVT | Varicella Zoster Virus Antibody Screen | — |
| VZVAB | Varicella Zoster Virus Antibody, IgG | — |
| VZGM | Varicella Zoster Virus Antibody, IgM | — |
| VZVDB | Varicella Zoster Virus DNA Detection, Blood | — |
| VZVDP | Varicella Zoster Virus DNA Detection, Other | — |
| VZVD | Varicella Zoster Virus DNA Direct Detection, Swab | — |
| VEGF | Vascular Endothelial Growth Factor | — |
| V1P | Vasoactive Intestinal Polypeptide (VIP) | — |
| VDRR | VDRL, CSF | — |
| VECTRA | Vectra® | Multiplex bead-based immunoassay and Meso Scale Discovery Multi-array Platform |
| FVEDO | Vedolizumab and Anti-Vedolizumab Antibodies, Serum | — |
| VIGQ | Vigabatrin Quantitative, Serum or Plasma | — |
| VISC | Viscosity, Serum | — |
| VITA | Vitamin A (Retinol) | — |
| VITASP | Vitamin A (Retinol) Serum or Plasma | — |
| VIAE | Vitamin A and E | — |
| VITB1 | Vitamin B1 (Thiamine) | Quantitative High Performance Liquid Chromatography (HPLC)/Liquid Chromatography-Tandem Mass Spectrometry |
| VITB1P | Vitamin B1 (Thiamine), Supplementation Monitoring Only, Plasma | Quantitative High Performance Liquid Chromatography (HPLC) |
| B12 | Vitamin B12 | Electrochemiluminescence Immunoassay |
| B12F | Vitamin B12 & Folate | Electrochemiluminescence Immunoassay |
| VB2 | Vitamin B2 (Riboflavin) | — |
| VITB3 | Vitamin B3 (Niacin & Metabolites) | — |
| VTB5 | Vitamin B5 (Pantothenic Acid) | — |
| VITB6 | Vitamin B6 (Pyridoxine) | Quantitative Liquid Chromatography-Tandem Mass Spectrometry |
| VTB7 | Vitamin B7 (Biotin), Serum or Plasma | — |
| VITC | Vitamin C | — |
| VTD25 | Vitamin D 25-Hydroxy | Electrochemiluminescence Immunoassay |
| VTD3 | Vitamin D, 1, 25-Dihydroxy | — |
| D2D3 | Vitamin D, 25-Hydroxy D2D3 by Tandem Mass Spec | — |
| VTE | Vitamin E (Tocopherol) | — |
| VTMK | Vitamin K1 | Quantitative High Performance Liquid Chromatography (HPLC) |
| VTLB | Volatiles (Alcohols) | — |
| VWFM | von Willebrand (vWF) Antigen, Multimeric Analysis | — |
| VWFA | von Willebrand Factor (vWF) Activity | — |
| VNWFA | von Willebrand Factor (vWF) Antigen | — |
| VWP | von Willebrand Factor (vWF) Screen | Instrumentation Laboratory ACL Top 750 |
| VWFPR | von Willebrand Factor Panel With Reflex to von Willebrand Multimers | — |
| VCNZL | Voriconazole, Serum | — |
| VREC | VRE Culture | — |
