FAQs
When fasting is required, only black coffee (no cream or sweetener) and water are permitted.
What is the order of draw for Labcorp? ›
Note: When multiple specimens are drawn from a single venipuncture, the following order is recommended: (1) sterile blood culture tubes, (2) nonadditive clotting tubes (red), (3) coagulation tubes and tubes containing citrate (blue), (4) gel-barrier tubes and tubes with additives (red), (5) tubes containing heparin ( ...
Are Labcorp test results accurate? ›
Labcorp provides leading-edge medical laboratory tests and services through a national network of primary clinical laboratories and specialty testing laboratories. Our labs perform regular quality assurance testing to ensure our results are accurate.
Is Labcorp or Quest cheaper? ›
However, if you're asking about the price, our Quest prices are lower simply because our agreements with Quest are a bit different than those with Labcorp. Both Quest & Labcorp are America's largest clinical laboratories that we've partnered with for collection and processing of specimens for our customers since 2005.
What if I accidentally had coffee before a fasting blood test? ›
If you had a snack, a cup of coffee, or even a full breakfast, tell the technician when you have your blood drawn. They should make a note so that the results are reviewed with the food intake as a variable. And if fasting is an absolute must for meaningful results, they should stop and reschedule your blood draw.
What not to do before a blood test? ›
For instance, you may be asked to avoid eating or drinking (except water) for up to 12 hours before your blood test. This is known as a fasting blood test. You may also be told not to drink alcohol or not to smoke before your test. In some cases, you may be asked to stop taking a certain medication.
Does order of blood draw matter? ›
Blood samples must be drawn by phlebotomists in a specific order to avoid cross-contamination of the sample by additives found in different collection tubes. Phlebotomy order of draw is the same for specimens collected by syringe, tube holder, or into tubes preevacuated at the time of collection.
Which blood test should be drawn first? ›
If capillary blood gases are ordered, they are drawn first to avoid introduction of room air as much as possible. A specimen for blood count is collected before tubes containing other anticoagulants and additives.
How long should you fast before blood work? ›
You usually need to fast for 8 to 12 hours before a test, but your provider will tell you exactly how long to fast. For certain tests, you may be asked not to drink alcohol for a longer period of time. If your blood test requires fasting, you can usually schedule the test early in the morning.
Does Labcorp charge a copay? ›
Labcorp will bill your health insurance directly. Your health insurance company will determine coverage and payment, as well as the amount for which you are responsible, such as copay or deductible, if any.
Gas chromatography/mass spectrometry (GC/MS) and liquid chromatography with tandem mass spectrometry (LC/MS/MS) are the methods Labcorp uses to confirm presumptive positive drug screens.
What does flag A mean on urine test results? ›
Flag A denotes adjusted lab test results. Last updated on 12 Jun 2023.
Can I lower my Labcorp bill? ›
Yes, alternate payment programs are available and must be set up by a patient billing representative, who is trained to assist patients with their payment questions and is available from 8 AM to 5 PM Monday through Friday at 800-845-6167. Was this helpful? Does Labcorp have a financial hardship program?
Why is bloodwork so expensive? ›
So then, why can blood work costs range from pocket change to well over the cost of your rent? Unfortunately, there is no simple answer. Research from The New York Times suggests several factors: insurance co-pays, market stability, individual healthcare providers, and even where you live, to name a few.
Can I go to Quest instead of Labcorp? ›
Choosing between Labcorp and Quest Diagnostics ultimately depends on your specific healthcare needs, location, and personal preferences. Both labs are reputable, offer a wide range of services, and maintain high standards of quality and accuracy.
When fasting for bloodwork is it OK to drink coffee? ›
No. Juice, coffee, soda, and other beverages can get in your bloodstream and affect your results. But you can drink water. It's good to drink water before a blood test.
Why does labcorp ask if you re fasting? ›
Sometimes special preparation is required to improve the accuracy of a test. This may involve: Fasting (not eating any or certain foods) for several hours or even overnight.
Can I have black coffee before a lipid panel? ›
Recommendations for fasting instructions prior to collection of a fasting glucose or lipid profile: Patient may have water. Black coffee with an artificial sweetener is approved but no sugar, milk or cream. Unsweetened tea is approved.
Which blood tests require 12 hour fasting? ›
Here are the blood tests that require fasting:
- Blood Glucose Test. This blood test measures our blood sugar levels. ...
- Gamma Glutamyl Transferase (GGT). This test measures the GGT enzyme and liver health. ...
- Glucose Tolerance Test. ...
- Liver Function Test. ...
- Renal Function Test. ...
- Vitamin B12 Test. ...
- Lactose Tolerance Test.