Clinical & Reference Laboratories in McAllen, TX

We list 12 clinical laboratories serving McAllen, TX: 3 based there and 9 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical laboratories serving McAllen, TX are All Children's Pediatric Clinic P A, Per Lab LLC, Regional Medical Laboratory North, Advance Medical Lab and Maria Guajardo Md PA. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: All Children's Pediatric Clinic P A (Centers for Medicare & Medicaid Services), Per Lab LLC (Centers for Medicare & Medicaid Services), Regional Medical Laboratory North (Centers for Medicare & Medicaid Services), Advance Medical Lab (Centers for Medicare & Medicaid Services) and Maria Guajardo Md PA (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

CLIA certificates are issued under federal law for laboratories testing human specimens. A certificate of compliance or accreditation covers moderate and high complexity testing; a certificate of waiver covers only simple waived tests.