The Laboratory Division provides low cost clinical and environmental testing services to the general public. Our team supports disease prevention, early detection, and environmental safety.

 Our mission, in alignment with the City of Laredo Public Health Department, is to provide culturally competent quality services that promote optimal health, prevent disease, and protect the safety of all to achieve health equity.

Laboratory Division Hours of Operation

Monday - Friday

8:00 a.m. – 5:00 p.m.

Phone number: (956) 795-4908

Fax number: (956) 795-2188

Clinical Services

Clinical services include preventive and diagnostic testing available through our in-house or third-party reference laboratory. Choose from our comprehensive Buena Vida panels or present a doctor’s order for thousands of additional tests. Also available to the community include:

• Glucose Screen
• Urinalysis Test
• Pregnancy Test (Serum or Urine)
• Rapid Influenza A & B Test
• Rapid Strep A Test
• Rapid RSV Test

For Clinical Services

Monday - Friday 

8:00 a.m. - 3:30 p.m.

For Clinical Results Pick-Up
Monday - Friday
11:00 a.m. – 4:45 p.m.

Environmental Services

Environmental services include water bacteriological testing (presence/absence of total coliforms and/or E. coli) for drinking or source water. The City of Laredo Public Health Laboratory is NELAC-Accredited and serves public and private water systems for Laredo and surrounding areas. Our laboratory staff will provide the necessary materials needed for sample collection and will assist with completing any required forms.

For Environmental Samples Drop-Off

Monday - Thursday

8:00 a.m. - 4:00 p.m.

For Environmental Results Pick-Up

Monday - Friday

8:00 a.m. - 4:45 p.m.