Walk-In Lab Services in Mission, TX — No Appointment Needed
CLIA-certified walk-in lab serving Cameron, Hidalgo, Starr, and Willacy counties. Self-pay patients don't need a doctor's order — just bring a photo ID. Or schedule ahead online to skip the wait.
What to bring
What you need depends on how you're paying for your visit.
If you're using insurance
Your doctor's order
A signed laboratory order from your physician is required to bill insurance. Insurance companies won't process a claim without one.
Your insurance card
We accept Medicare, Medicaid, and most major Texas insurance plans.
A photo ID
A government-issued ID is required for patient verification.
If you're paying out of pocket
A photo ID
That's it — self-pay patients don't need a doctor's order. Walk in, choose your tests, and our front desk will walk you through pricing before your visit.
What to expect
Arrive at our Mission location
2016 E. Griffin Pkwy, Mission, TX 78572. Walk in or arrive at your scheduled time.
Sample collection
Staff will verify your order and collect your sample. Most collections take under 10 minutes.
Results to your doctor
Results sent to your ordering physician same day.
Prefer to schedule ahead?
Use our online intake form to submit your information in advance and pick a time that works for you. Faster check-in, no wait.
Schedule Your Visit →Insurance we accept
Don't see your plan? Call us — we accept most major Texas insurance plans. Self-pay pricing available for uninsured patients.
Frequently asked questions
No appointment is needed — walk in during business hours. You can also schedule ahead using our online intake form to submit your information in advance and pick a time.
Most collections take 5–10 minutes once you're checked in.
Results are processed and sent to your ordering physician same day in most cases.
If you are homebound and your doctor has ordered home health services, your home health agency can arrange a phlebotomist visit. Ask your agency about laboratory services.
Only if you're billing insurance. If you're using Medicare, Medicaid, or a private insurance plan, a signed physician order is required for your claim to be processed. If you're paying out of pocket, no order is needed — walk in, choose your tests, and our front desk will walk you through pricing.
Self-pay patients are welcome — no doctor's order required. Walk in, choose your tests, and our front desk will walk you through pricing before your visit.
Healthcare facilities looking to partner with AML can request a facility account here.
2016 E. Griffin Pkwy
Mission, TX 78572
Mon – Fri7:00 AM – 8:00 PM
Saturday8:00 AM – 12:00 PM
SundayClosed