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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Quest Diagnostics

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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
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2229 Bluestone Dr, Saint Charles, MO 633032229 Bluestone Dr

4.24(400 reviews)

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I thought it was extremely easy to book a lab test appointment with Quest. Getting the test done was simple and so was the getting the results! Great job putting together something so user friendly.

Quest Diagnostics

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Mon 6:30 am - 3:30 pm
Tue 6:30 am - 3:30 pm
Wed 6:30 am - 3:30 pm
Thu 6:30 am - 3:30 pm
Fri 6:30 am - 3:30 pm
Sat 7:00 am - 1:00 pm
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463 S Kirkwood Rd, Kirkwood, MO 63122463 S Kirkwood Rd

4.28(564 reviews)

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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.

Labcorp

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Mon 7:00 am - 5:00 pm
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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
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28 Ronnie's Plaza, Sappington, MO 6312628 Ronnie's Plaza

4.26(540 reviews)

Lab testing

Great discreet service, scheduled my visit and paid for for the test online not in Showed up at lab, checked in and was seen within minutes. Blood and urine were collected, test results came back quickly within 2 days because I did my test on a Friday. Quick, easy and cheap. Didn't have to wait for a visit to my PCP, and then get referral to lab.

Quest Diagnostics

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Mon 6:00 am - 5:00 pm
Tue 6:00 am - 5:00 pm
Wed 6:00 am - 5:00 pm
Thu 6:00 am - 5:00 pm
Fri 6:00 am - 5:00 pm
Sat 7:00 am - 1:00 pm
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4101 Mexico Rd, St. Peters, MO 633764101 Mexico Rd

4.2(431 reviews)

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Quest Diagnostics

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Mon 7:00 am - 4:30 pm
Tue 7:00 am - 4:30 pm
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Thu 7:00 am - 4:30 pm
Fri 7:00 am - 4:30 pm
Sat 7:00 am - 1:00 pm
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1000 Eleven S, Columbia, IL 622361000 Eleven S

4.56(459 reviews)

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I would 100% recommend this company to anyone wanting to check their health status. The process was incredibly easy and done through certified labs. The results are frequently back by the next day.

Labcorp

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Mon 7:30 am - 4:30 pm
Tue 7:30 am - 4:30 pm
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Thu 7:30 am - 4:30 pm
Fri 7:30 am - 4:30 pm
Sat 8:00 am - 12:00 pm
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205 1st Executive Ave, St. Peters, MO 63376205 1st Executive Ave

4.27(400 reviews)

Lab testing

Excellent customer service. Knowledgeably answered all questions. Appointment and billing were fast. Testing next day was on time and professional. Results available within 24 hours. Highly recommend.

Quest Diagnostics

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Mon 7:00 am - 12:00 pm
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1585 Woodlake Dr, Chesterfield, MO 630171585 Woodlake Dr

4.42(503 reviews)

Lab testing

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After receiving my results, I called Quest Lab Testing and discussed the results with a consultation. This consultation filled in my knowledge gaps and made me more aware of my particular situation.

Quest Diagnostics

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Mon 6:30 am - 5:30 pm
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9950 Kennerly Rd, St. Louis, MO 631289950 Kennerly Rd

4.53(542 reviews)

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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.

Labcorp

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Mon 8:00 am - 5:00 pm
Tue 8:00 am - 5:00 pm
Wed 8:00 am - 5:00 pm
Thu 8:00 am - 5:00 pm
Fri 8:00 am - 5:00 pm
SatClosed
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6994 Mexico Rd, St. Peters, MO 633766994 Mexico Rd

4.53(571 reviews)

Lab testing

I was able to choose a Labcorp 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.

Quest Diagnostics

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Mon 6:30 am - 4:00 pm
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Thu 6:30 am - 4:00 pm
Fri 6:30 am - 4:00 pm
Sat 7:00 am - 1:00 pm
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17300 N Outer 40 Rd, Chesterfield, MO 6300517300 N Outer 40 Rd

4.2(597 reviews)

Lab testing

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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.

Labcorp

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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
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15421 Clayton Rd, Ballwin, MO 6301115421 Clayton Rd

4.49(476 reviews)

Lab testing

Quest Diagnostics

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Mon 7:30 am - 4:00 pm
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Wed 7:30 am - 4:00 pm
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Fri 7:30 am - 4:00 pm
SatClosed
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12 Arnold Mall, Arnold, MO 6301012 Arnold Mall

4.14(437 reviews)

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Labcorp

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Mon 7:30 am - 4:00 pm
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Fri 7:30 am - 4:00 pm
Sat 7:30 am - 11:30 am
SunClosed

3613 Richardson Square Dr, Arnold, MO 630103613 Richardson Square Dr

4.2(525 reviews)

Lab testing

After receiving my results, I called Labcorp and discussed the results with a consultation. This consultation filled in my knowledge gaps and made me more aware of my particular situation.