PGXL Laboratories operates under CLIA certificate number 18D0983143.
PGXL operates in the following states:
| Alabama | Maine | Oklahoma |
| Alaska | Maryland | Oregon |
| Arizona | Massachusetts | Pennsylvania |
| Arkansas | Michigan | Rhode Island |
| Colorado | Minnesota | South Carolina |
| Connecticut | Mississippi | South Dakota |
| Deleware | Missouri | Tennessee |
| Florida | Montana | Texas |
| Georgia | Nebraska | Utah |
| Hawaii | Nevada | Vermont |
| Idaho | New Hampshire | Virginia |
| Illinois | New Jersey | Washington |
| Indiana | New Mexico | West Virginia |
| Iowa | New York | Wisconsin |
| Kansas | North Carolina | Wyoming |
| Kentucky | North Dakota | District of Columbia |
| Louisiana | Ohio |