How to Schedule a LabCorp Appointment

Yes, you can schedule a LabCorp appointment online, by phone, or in person

LabCorp lets you book an appointment through their website, by calling their scheduling line, or by walking into a patient service center. The online route is fastest — you can pick your location, date, and time in a few minutes without waiting on hold. If you prefer to talk to someone or need help finding a center near you, their phone line handles that too. Walk-ins are accepted at most locations, though you may wait longer than if you had booked ahead.

The method you choose depends on what works for your schedule and whether you already know which LabCorp location you want to visit. All three routes lead to the same result: a confirmed appointment at a specific time and place.

Key Takeaways

• You can book online at labcorp.com, by phone at 1-800-LAB-CORP (1-800-522-2767), or by walking into any patient service center.
• Online scheduling shows real-time availability and lets you choose your preferred date and time without calling.
• You will need your insurance card, photo ID, and any lab order or requisition your doctor gave you.
• Most locations accept walk-ins, but appointment holders are typically seen first, so booking ahead usually means less waiting.
• If you do not have a lab order yet, you can still schedule an appointment — LabCorp can help you understand what tests your doctor ordered.

Booking online through LabCorp's website

Go to labcorp.com and look for the "Schedule an Appointment" button, usually on the homepage. You will enter your zip code or city to see available patient service centers nearby. The site shows you open appointment slots for the next several days, organized by date and time. Select the location and time that work for you, then enter your basic information — name, date of birth, phone number, and email address.

Before you finish, the site will ask whether you have a lab order from your doctor. If you do, you can upload an image of it or enter your doctor's name and the site will try to pull it from their system. If you do not have an order yet, you can still book the appointment; just let LabCorp know at check-in that you are waiting for your doctor to send one. The confirmation will arrive by email and text, and you can cancel or reschedule from that confirmation if your plans change.

Calling LabCorp to schedule by phone

Call 1-800-LAB-CORP (1-800-522-2767) during business hours — typically 7 a.m. to 7 p.m. Monday through Friday, and shorter hours on weekends. A representative will ask for your zip code and show you available appointments at nearby centers. They can answer questions about what to bring, whether you need to fast before your test, or what a specific test involves. If you are not sure which location is most convenient, they can help you compare.

Have your insurance card and photo ID ready when you call, along with any lab order your doctor gave you. The representative will confirm your appointment details and send a confirmation to your email or phone. If you need to change the appointment later, you can call back or use the online portal to reschedule.

Walking in without an appointment

Every LabCorp patient service center accepts walk-ins during their posted hours. You do not need to call ahead or book online. Bring your insurance card, photo ID, and any lab order from your doctor. Check in at the front desk, and a staff member will register you and add you to the queue. Wait times for walk-ins vary by location and time of day — early mornings and mid-week afternoons tend to be less busy than late afternoons or Saturdays.

Walk-ins are seen on a first-come, first-served basis, but patients with scheduled appointments are usually prioritized. If you know you will need a test on a specific day, booking ahead typically means you will spend less time waiting. However, if you are in the area and have time to wait, walking in works fine.

What to bring to your appointment

Bring your photo ID (driver's license, passport, or state ID) and your current insurance card. If your doctor gave you a lab order or requisition form, bring that too — it tells LabCorp which tests to run. If you do not have the order in hand, LabCorp can contact your doctor's office to retrieve it, though this may add a few minutes to your check-in.

If you are fasting for your test (meaning you have not eaten or drunk anything but water for a set number of hours), plan to arrive early enough that you can complete the test before you get too hungry or thirsty. Ask LabCorp when you book whether fasting is required for your specific test. Some tests need it; many do not.

Rescheduling or canceling an appointment

If you booked online, log back into labcorp.com and find your appointment in your account. You can reschedule to a different date or time, or cancel entirely. If you booked by phone or do not have an online account, call 1-800-LAB-CORP to make changes. Try to reschedule at least a few hours before your appointment time so the slot can open up for someone else.

If you miss your appointment without canceling, LabCorp may hold the slot as unavailable for a period of time. If you need to reschedule after missing an appointment, call to book a new one.

Finding a LabCorp location near you

Use the location finder on labcorp.com by entering your zip code or city name. The site shows you all nearby patient service centers, their hours, and which services each one offers. Some locations have extended hours or weekend availability; the site will tell you which ones. You can also call 1-800-LAB-CORP and ask a representative to find locations near you and tell you their hours.

If you are traveling or need a test done urgently, the location finder helps you find the nearest center and check whether it is open that day. Many LabCorp centers are inside or near pharmacies, medical offices, or shopping areas, so you may be able to combine your appointment with other errands.

Frequently Asked Questions

Do I need a doctor's order to make an appointment?

You can book an appointment without an order, but LabCorp will need one before they can run any tests. If your doctor has not sent an order yet, let LabCorp know when you book or check in. They can contact your doctor's office to retrieve it, or you can bring it with you on the day of your appointment.

How far in advance should I book?

You can often book same-day or next-day appointments, especially at larger centers. If you have a specific date or time in mind, booking a few days ahead gives you more options. Walk-ins are welcome, but scheduled appointments typically have shorter wait times.

Can I reschedule my appointment online?

Yes, if you booked through labcorp.com and have an online account, you can log in and reschedule or cancel. If you booked by phone or do not have an account, call 1-800-LAB-CORP to make changes.

What if I do not know which tests my doctor ordered?

Tell LabCorp your doctor's name and office when you book or check in. They can contact the office to find out which tests are ordered and what you need to do to prepare. You do not need to have all the details figured out before your appointment.

Are there any tests LabCorp cannot do?

LabCorp handles most common blood tests, urine tests, and drug screening. Some specialized or rare tests may need to be sent to a reference lab, which takes longer. Ask when you book if you have questions about whether a specific test is available at your location.