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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Labcorp

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

28 Ronnie's Plaza, Sappington, MO 6312628 Ronnie's Plaza

4.55(527 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 5:30 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

4.31(422 reviews)

Lab testing

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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.

Labcorp

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 8:00 am - 12:00 pm
SunClosed

6555 Chippewa St, St. Louis, MO 631096555 Chippewa St

4.25(436 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.

Labcorp, Troy

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
SatClosed
SunClosed

160 Professional Pkwy, Troy, MO 63379160 Professional Pkwy

4.34(514 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 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
Sat 7:00 am - 1:00 pm
SunClosed

40 Kingshighway Blvd, St. Louis, MO 6310840 Kingshighway Blvd

4.28(468 reviews)

Lab testing

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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 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

12 Arnold Mall, Arnold, MO 6301012 Arnold Mall

4.41(447 reviews)

Lab testing

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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.

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

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

4.24(574 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.

Quest Diagnostics

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 7:00 am - 1:00 pm
SunClosed

1000 Eleven S, Columbia, IL 622361000 Eleven S

4.56(569 reviews)

Lab testing

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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

4.51(500 reviews)

Lab testing

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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.

Total Access Urgent Care, O'Fallon

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

4201 State Hwy K, O'Fallon, MO 633684201 State Hwy K

4.56(33 reviews)

Urgent care

Lab testing

Visit Clinic

Everyone from the receptionist, the tech, the NP and the xray tech were kind, courteous, efficient, knowledgeable and thorough. I felt I received better care than at my family doctor.