#1Laboratory Corporation Of America - Weslaco Texas
Based in Weslaco, TX
Clinical & Reference Laboratories in Weslaco, TX
The top-ranked clinical laboratories serving Weslaco, TX are Laboratory Corporation Of America - Weslaco Texas, South Texas Clinical Laboratory and Labquest, LLC Rio Grande Valley Labs. We list 12 clinical laboratories serving Weslaco, TX. 12 of the providers shown match an active record from Centers for Medicare & Medicaid Services, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Clinical & Reference Laboratories serving Weslaco, TX (Hidalgo County). 12 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked clinical laboratories for Weslaco
#2South Texas Clinical Laboratory
Serves this area from Alamo, TX (8 mi)#3Labquest, LLC Rio Grande Valley Labs
Serves this area from Alamo, TX (9 mi)#4Guillen, Tiu & Associates Md PA
Serves this area from Edinburg, TX (14 mi)#5Per Lab LLC
Serves this area from McAllen, TX (15 mi)#6Maria Guajardo Md PA
Serves this area from Edinburg, TX (15 mi)#7Regional Medical Laboratory North
Serves this area from McAllen, TX (16 mi)#8All Children's Pediatric Clinic P A
Serves this area from McAllen, TX (16 mi)#9Texas Digestive Specialists
Serves this area from Harlingen, TX (19 mi)#10Advance Medical Lab
Serves this area from Mission, TX (19 mi)
2 more providers serving this area
- Alton Family Clinic, Alton, TX (20 mi)
- Mission Pediatric Center, Mission, TX (20 mi)
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Frequently asked questions
How many clinical laboratories serve Weslaco?
We list 12 clinical laboratories serving Weslaco, TX: 1 based there and 11 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which clinical laboratories serve Weslaco?
The top-ranked clinical laboratories serving Weslaco, TX are Laboratory Corporation Of America - Weslaco Texas, South Texas Clinical Laboratory, Labquest, LLC Rio Grande Valley Labs, Guillen, Tiu & Associates Md PA and Per Lab LLC. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Weslaco are verified against official records?
10 of the top 10 match an active official record: Laboratory Corporation Of America - Weslaco Texas (Centers for Medicare & Medicaid Services), South Texas Clinical Laboratory (Centers for Medicare & Medicaid Services), Labquest, LLC Rio Grande Valley Labs (Centers for Medicare & Medicaid Services), Guillen, Tiu & Associates Md PA (Centers for Medicare & Medicaid Services) and Per Lab LLC (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"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.
What does CLIA certification mean?
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.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .