What is a pulmonary function test?

The effectiveness of the lungs is determined by a pulmonary function test. The test evaluates lung volume, capacity, gas exchange, and rate of flow, as well as other lung-related characteristics. Your doctor may be able to identify and treat some lung diseases based on the results.

How are pulmonary function tests performed?

Pulmonary function tests can be performed in two ways, depending on the information your doctor needs. In some cases, your doctor may request both tests since they measure different things. To evaluate your breathing, your doctor may use a spirometer (a device with a mouthpiece) or have you stand inside an air-tight box that resembles a telephone booth.

What does a pulmonary function test measure?

A pulmonary function test evaluates several elements of lung health. Here are a few examples:The volume of the lungs when they are entirely full of air is known as total lung capacity.The amount of air you can forcefully expel once your lungs have been completely filled is known as forced vital capacity.After you've expelled as much as you can, the amount of air left in your lungs.Functional residual capacity is the quantity of air left in your lungs after you typically exhale.

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20 instant-book locations

Labcorp

15421 Clayton Rd, Ballwin, MO 6301115421 Clayton Rd

Open until 4:00 pm

Mon 7:30 am - 4:00 pm
Tue 7:30 am - 4:00 pm
Wed 7:30 am - 4:00 pm
Thu 7:30 am - 4:00 pm
Fri 7:30 am - 4:00 pm
SatClosed
SunClosed

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Labcorp

6800 IL-162, Maryville, IL 620626800 IL-162

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Quest Diagnostics

108 US-40, Troy, IL 62294108 US-40

Open12:00 pm

Mon 7:00 am - 12:00 pm
Tue 7:00 am - 12:00 pm
Wed 7:00 am - 12:00 pm
Thu 7:00 am - 12:00 pm
Fri 7:00 am - 12:00 pm
SatClosed
SunClosed

4.5(489 reviews)

I was able to choose a Quest lab location and schedule an appointment. Check in was easy, and I only needed to provide my name and DOB. They were able to locate my order in their system. They were already aware that my labs were paid for prior to the appointment. I had my labs done on a Wednesday, and I received my results by Saturday. Great experience.

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Labcorp

12685 Dorsett Rd, Maryland Heights, MO 6304312685 Dorsett Rd

Open until 4:30 pm

Mon 8:00 am - 4:30 pm
Tue 8:00 am - 4:30 pm
Wed 8:00 am - 4:30 pm
Thu 8:00 am - 4:30 pm
Fri 8:00 am - 4:30 pm
SatClosed
SunClosed

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Labcorp

102 Rottingham Ct, Edwardsville, IL 62025102 Rottingham Ct

Open until 4:00 pm

Mon 8:00 am - 4:00 pm
Tue 8:00 am - 4:00 pm
Wed 8:00 am - 4:00 pm
Thu 8:00 am - 4:00 pm
Fri 8:00 am - 4:00 pm
SatClosed
SunClosed

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Labcorp

12255 De Paul Dr, Bridgeton, MO 6304412255 De Paul Dr

Open until 5:00 pm

Mon 7:00 am - 5:00 pm
Tue 7:00 am - 5:00 pm
Wed 7:00 am - 5:00 pm
Thu 7:00 am - 5:00 pm
Fri 7:00 am - 5:00 pm
Sat 8:00 am - 11:30 am
SunClosed

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Quest Diagnostics

3440 De Paul Ln, Bridgeton, MO 630443440 De Paul Ln

Open 3:30 pm

Mon 7:00 am - 3:30 pm
Tue 7:00 am - 3:30 pm
Wed 7:00 am - 3:30 pm
Thu 7:00 am - 3:30 pm
Fri 7:00 am - 3:30 pm
SatClosed
SunClosed

4.12(539 reviews)

I was very surprised with my experience here. My appointment was made very quickly. I was seen in a very short period of time. My test results came back in a very timely manner. I was able to speak with a doctor soon after and was taking care of. I was very satisfied with the experience I had here. I definitely recommend using them for any issues you have or any questions you may have.

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Labcorp

637 Dunn Rd, Hazelwood, MO 63042637 Dunn Rd

Open until 5:00 pm

Mon 7:00 am - 5:00 pm
Tue 7:00 am - 5:00 pm
Wed 7:00 am - 5:00 pm
Thu 7:00 am - 5:00 pm
Fri 7:00 am - 5:00 pm
Sat 8:00 am - 12:00 pm
SunClosed

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Quest Diagnostics

8186 N Lindbergh Blvd, Florissant, MO 630318186 N Lindbergh Blvd

Open 5:00 pm

Mon 6:30 am - 5:00 pm
Tue 6:30 am - 5:00 pm
Wed 6:30 am - 5:00 pm
Thu 6:30 am - 5:00 pm
Fri 6:30 am - 5:00 pm
Sat 7:00 am - 1:00 pm
SunClosed

4.34(584 reviews)

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Quest Diagnostics

17300 N Outer 40 Rd, Chesterfield, MO 6300517300 N Outer 40 Rd

Open 4:00 pm

Mon 6:30 am - 4:00 pm
Tue 6:30 am - 4:00 pm
Wed 6:30 am - 4:00 pm
Thu 6:30 am - 4:00 pm
Fri 6:30 am - 4:00 pm
Sat 7:00 am - 1:00 pm
SunClosed

4.12(489 reviews)

A great experience for something I had a lot of anxiety about. Had no wait time or issues at the testing center/lab. Had blood drawn at 3pm and had results by email at 9am the next morning.

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Total Access Urgent Care, Oakville

Total Access Urgent Care

4400 Telegraph Rd, Saint Louis, MO 631294400 Telegraph Rd

Open until 8:00 pm

Mon 8:00 am - 8:00 pm
Tue 8:00 am - 8:00 pm
Wed 8:00 am - 8:00 pm
Thu 8:00 am - 8:00 pm
Fri 8:00 am - 8:00 pm
Sat 8:00 am - 8:00 pm
Sun 8:00 am - 8:00 pm

4.84(25 reviews)

Total Access Urgent Care, Oakville - 4400 Telegraph Rd, Saint Louis

This is our first stop for our family’s urgent health care needs. We have been there three times in the last 18 months with our elderly father. Each time we have received a diagnosis that was accurate with the appropriate treatment and follow-up recommended. It is clean and bright and the staff has is very efficient with managing the process. Everyone we have ever seen has been kind and thorough in their assessment and explanations. I highly recommend this location for urgent care needs.

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St. Louis Mro

3895 Jeffco Blvd, Arnold, MO 630103895 Jeffco Blvd

Open until 4:30 pm

Mon 8:30 am - 4:30 pm
Tue 8:30 am - 4:30 pm
Wed 8:30 am - 4:30 pm
Thu 8:30 am - 4:30 pm
Fri 8:30 am - 4:30 pm
SatClosed
SunClosed

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Total Access Urgent Care, Affton

Total Access Urgent Care

9538 Gravois Rd, Affton, MO 631239538 Gravois Rd

Open until 8:00 pm

Mon 8:00 am - 8:00 pm
Tue 8:00 am - 8:00 pm
Wed 8:00 am - 8:00 pm
Thu 8:00 am - 8:00 pm
Fri 8:00 am - 8:00 pm
Sat 8:00 am - 8:00 pm
Sun 8:00 am - 8:00 pm

Total Access Urgent Care, Affton - 9538 Gravois Rd

I was totally impressed with the care I received at TAUC, Affton. After I had a very thorough checkup and an x-ray taken, the NP determined I had bronchitis. She put me on a nebulizer, and prescribed an antibiotic, a couple cough suppressants, as well as cough medicine. After my visit last Friday, and giving the meds a chance to "kick in", I feel much better today (Monday). I highly recommend TAUC to everyone!

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