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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17 instant-book locations

Quest Diagnostics

Open until 1:00 pm

Mon 6:30 am - 4:30 pm
Tue 6:30 am - 4:30 pm
Wed 6:30 am - 4:30 pm
Thu 6:30 am - 4:30 pm
Fri 6:30 am - 4:30 pm
Sat 7:00 am - 1:00 pm
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3030 Frank Scott Pkwy W, Belleville, IL 622233030 Frank Scott Pkwy W

4.55(400 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.

Quest Diagnostics

Open until 1:00 pm

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

9950 Kennerly Rd, St. Louis, MO 631289950 Kennerly Rd

4.33(553 reviews)

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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 7:00 am - 12:00 pm
Tue 7:00 am - 12:00 pm
Wed 7:00 am - 12:00 pm
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Fri 7:00 am - 12:00 pm
SatClosed
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108 US-40, Troy, IL 62294108 US-40

4.13(531 reviews)

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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

Open until 1:00 pm

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

4.31(600 reviews)

Lab testing

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I highly recommend for anyone thinking of getting tested. From start to finish the whole process was hassle free and and very professional. I had my results very quickly and discreetly couldn't be happier with the service.

Labcorp

Open until 11:30 am

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
Sat 7:30 am - 11:30 am
SunClosed

1207 Thouvenot Ln, Shiloh, IL 622691207 Thouvenot Ln

4.13(530 reviews)

Lab testing

I came in one day without an appoint and waited two hours as a walk-in before I had to leave without being tested. I made an appointment through Labcorp for the next day, showed up on time, got tested easily and was on my way in 15-20 minutes. Staff is friendly and helpful.

Quest Diagnostics

Open until 1:00 pm

Mon 7:00 am - 4:30 pm
Tue 7:00 am - 4:30 pm
Wed 7:00 am - 4:30 pm
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

4.5(448 reviews)

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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.

Labcorp

Open until 12:00 pm

Mon 7:30 am - 4:30 pm
Tue 7:30 am - 4:30 pm
Wed 7:30 am - 4:30 pm
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

4.54(528 reviews)

Lab testing

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.

Quest Diagnostics

Open until 1:00 pm

Mon 7:00 am - 4:00 pm
Tue 7:00 am - 4:00 pm
Wed 7:00 am - 4:00 pm
Thu 7:00 am - 4:00 pm
Fri 7:00 am - 4:00 pm
Sat 7:00 am - 1:00 pm
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1197 Fortune Blvd, Shiloh, IL 622691197 Fortune Blvd

4.48(582 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.

Labcorp

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Mon 7:30 am - 4:00 pm
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15421 Clayton Rd, Ballwin, MO 6301115421 Clayton Rd

4.51(589 reviews)

Lab testing

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

Quest Diagnostics

Open until 1:00 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
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17300 N Outer 40 Rd, Chesterfield, MO 6300517300 N Outer 40 Rd

4.52(484 reviews)

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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.

Labcorp

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Mon 8:00 am - 5:00 pm
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6994 Mexico Rd, St. Peters, MO 633766994 Mexico Rd

4.23(499 reviews)

Lab testing

Quest Diagnostics

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

4.39(532 reviews)

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Labcorp

Open until 11:30 am

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
Sat 7:30 am - 11:30 am
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3613 Richardson Square Dr, Arnold, MO 630103613 Richardson Square Dr

4.43(585 reviews)

Lab testing

Quest Diagnostics

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Mon 6:30 am - 11:00 am
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3449 Pheasant Meadow Dr, O'Fallon, MO 633683449 Pheasant Meadow Dr

4.14(405 reviews)

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Quest Diagnostics

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Mon 7:30 am - 12:30 pm
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98 Legends Pkwy, Eureka, MO 6302598 Legends Pkwy

4.58(543 reviews)

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Labcorp

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Mon 8:00 am - 4:30 pm
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1002 Peruque Crossing Ct, O'Fallon, MO 633661002 Peruque Crossing Ct

4.46(433 reviews)

Lab testing

Quest Diagnostics

Open until 1:00 pm

Mon 6:00 am - 4:00 pm
Tue 6:00 am - 4:00 pm
Wed 6:00 am - 4:00 pm
Thu 6:00 am - 4:00 pm
Fri 6:00 am - 4:00 pm
Sat 7:00 am - 1:00 pm
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1201 Wentzville Pkwy, Wentzville, MO 633851201 Wentzville Pkwy

4.52(462 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.

EPIC Healthcare and Wellness Solutions

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Mon 5:00 pm - 9:00 pm
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Sun 9:00 am - 1:00 pm

1551 Wall St, St. Louis, MO 631471551 Wall St

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My Blooming Health

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Mon 6:00 am - 5:00 pm
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Fri 6:00 am - 5:00 pm
SatClosed
SunClosed

11630 Helenoak Dr, Florissant, MO 6303311630 Helenoak Dr

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Examinations

Open until 2:00 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 - 2:00 pm
Sat 9:00 am - 2:00 pm
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119 Church St, Ferguson, MO 63135119 Church St

Lab testing

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Pulmonary Function Test near me in Bellefontaine Neighbors, MO

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Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

EPIC Healthcare and Wellness Solutions

EPIC Healthcare and Wellness Solutions

My Blooming Health

My Blooming Health

Examinations

Examinations

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Pulmonary Function Test near me
in Bellefontaine Neighbors, MO