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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Pulmonary Function Test near me
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18 instant-book locations

Quest Diagnostics

Open until 12:30 pm

Mon 7:30 am - 12:30 pm
Tue 7:30 am - 12:30 pm
Wed 7:30 am - 12:30 pm
Thu 7:30 am - 12:30 pm
Fri 7:30 am - 12:30 pm
SatClosed
SunClosed

98 Legends Pkwy, Eureka, MO 6302598 Legends Pkwy

4.32(422 reviews)

Lab testing

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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 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

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

4.19(435 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.

Quest Diagnostics

Open until 4:00 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
SunClosed

1197 Fortune Blvd, Shiloh, IL 622691197 Fortune Blvd

4.17(579 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.

Quest Diagnostics

Open until 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

2229 Bluestone Dr, Saint Charles, MO 633032229 Bluestone Dr

4.53(429 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.

Labcorp

Open until 4:30 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 8:00 am - 12:00 pm
SunClosed

2023 Vadalabene Dr, Maryville, IL 620622023 Vadalabene Dr

4.48(424 reviews)

Lab testing

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.

Quest Diagnostics

Open until 3:30 pm

Mon 6:00 am - 3:30 pm
Tue 6:00 am - 3:30 pm
Wed 6:00 am - 3:30 pm
Thu 6:00 am - 3:30 pm
Fri 6:00 am - 3:30 pm
Sat 7:00 am - 1:00 pm
SunClosed

2136 Vadalabene Dr, Maryville, IL 620622136 Vadalabene Dr

4.56(456 reviews)

Lab testing

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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

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

4.32(459 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 5:00 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
SunClosed

4101 Mexico Rd, St. Peters, MO 633764101 Mexico Rd

4.23(438 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

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

102 Rottingham Ct, Edwardsville, IL 62025102 Rottingham Ct

4.41(437 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.

Labcorp

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
Sat 7:30 am - 11:30 am
SunClosed

1439 US-61, Festus, MO 630281439 US-61

4.59(466 reviews)

Lab testing

Quest Diagnostics

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 7:00 am - 1:00 pm
SunClosed

1463 US-61, Festus, MO 630281463 US-61

4.23(522 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

Open until 4:30 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
SunClosed

205 1st Executive Ave, St. Peters, MO 63376205 1st Executive Ave

4.26(568 reviews)

Lab testing

Quest Diagnostics

Open until 12:00 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

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

4.56(403 reviews)

Lab testing

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Labcorp

Open until 5:00 pm

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
SunClosed

6994 Mexico Rd, St. Peters, MO 633766994 Mexico Rd

4.35(429 reviews)

Lab testing

Quest Diagnostics

Open until 11:00 am

Mon 6:30 am - 11:00 am
Tue 6:30 am - 11:00 am
Wed 6:30 am - 11:00 am
Thu 6:30 am - 11:00 am
Fri 6:30 am - 11:00 am
SatClosed
SunClosed

3449 Pheasant Meadow Dr, O'Fallon, MO 633683449 Pheasant Meadow Dr

4.14(596 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.

Quest Diagnostics

Open until 4:00 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
SunClosed

237b E Center Dr, Alton, IL 62002237b E Center Dr

4.11(408 reviews)

Lab testing

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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

Open until 4:00 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
SatClosed
SunClosed

159 E MacArthur Dr, Bethalto, IL 62010159 E MacArthur Dr

4.4(539 reviews)

Lab testing

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Labcorp

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

1002 Peruque Crossing Ct, O'Fallon, MO 633661002 Peruque Crossing Ct

4.39(449 reviews)

Lab testing

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.

Total Access Urgent Care, Affton

Total Access Urgent Care

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

9538 Gravois Rd, Affton, MO 631239538 Gravois Rd

Urgent care

Lab testing

Visit Clinic

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!

Total Access Urgent Care, Oakville

Total Access Urgent Care

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

4400 Telegraph Rd, Saint Louis, MO 631294400 Telegraph Rd

4.84(25 reviews)

Urgent care

Lab testing

Visit Clinic

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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Pulmonary Function Test near me in Lemay, MO

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Quest Diagnostics

Quest Diagnostics

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Quest Diagnostics

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Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Total Access Urgent Care, Affton

Total Access Urgent Care

Total Access Urgent Care, Oakville

Total Access Urgent Care

Own a clinic? Add your location.

Pulmonary Function Test near me
in Lemay, MO