| Business | Phone |
| Fairfax Medical Laboratory 14904 Jefferson Davis Hwy, Woodbridge 22191 | (703) 491-9851 |
| Laboratory Corp Of America 1900 Opitz Blvd, Woodbridge 22191 | (703) 491-9397 |
| Quest Diagnostics 14409 Hereford Rd, Woodbridge 22193 | (703) 580-4436 |
| Quest Diagnostics 2080 Daniel Stuart Sq, Woodbridge 22191 | (703) 499-8156 |