| Business | Phone |
| Lab Center 401 Bay St, Gadsden 35901 | (256) 543-3246 |
| Laboratory Corp Of America 302 S 4th St, Gadsden 35901 | (256) 543-2990 |
| Quest Diagnostics Inc 1026 Goodyear Ave, Gadsden 35903 | (256) 494-9104 |
| Quest Diagnostics Inc 412 S 3rd St, Gadsden 35901 | (256) 439-9646 |
| Regional Biomedical Laboratory 604 S 4th St, Gadsden 35901 | (256) 549-0009 |