| Business | Phone |
| Laboratory Corp Of America 1441 N Redbud Blvd 110, Mckinney 75069 | (972) 562-3418 |
| Physicians Medical Lab 202 W Louisiana St, Mckinney 75069 | (972) 542-1009 |
| Quest Diagnostics 4510 Medical Center Dr, Mckinney 75069 | (972) 547-0159 |
| Precision Diagnostics 1901 W Virginia St, Mckinney 75069 | (972) 542-0420 |