Lab and Medical Testing

Valley Diagnostics — Fresno (Chestnut Ave)

Same-day lab draws Walk-in lab testing Most insurances accepted Checking hours…

Address

3251 North Chestnut Avenue
Fresno, CA

Phone: (559) 449-0366

Parking available onsite.

Get Directions Make an Appointment

Hours

  • Mon–Fri8:00 AM – 12:00 PM
  • SaturdayClosed
  • SundayClosed

Map

We accept any lab order From any provider or lab — Quest, Labcorp, hospital, or private clinic. Bring your physician’s order and we’ll handle the rest.

Lab Testing FAQs

Do I need an appointment?

Walk-ins are welcome for most tests. For time-sensitive or specialized testing, call ahead to schedule.

What should I bring?

Please bring a photo ID, insurance card (if applicable), and your lab order. Some lab tests require fasting.

How long do test results take?

Most routine lab panels are available within 24–48 hours. Specialized testing may take longer.

Do you accept my insurance?

We accept most major insurance plans. Call (559) 449-0366 for coverage details prior to your visit.

Can minors receive testing?

Yes, with a parent or legal guardian present and a valid lab order.

Featured Lab Testing Services

Routine Bloodwork

Complete blood counts, metabolic panels, thyroid, lipid profiles, A1C and more.

Molecular / PCR Testing

Rapid in-house PCR for infectious disease, with fast turn-around times.

Wellness Panels

Preventive lab panels for annual checkups and employer wellness programs.

Toxicology Testing

Urine drug screening and confirmations for clinical monitoring.

Women’s Health Labs

Prenatal screening, hormone testing, fertility and more.

Respiratory Testing (COVID/Flu/RSV)

Seasonal respiratory testing with same-day results in most cases.

Questions or ready to visit?

Call (559) 449-0366 Get Directions