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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4 instant-book locations

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
SatClosed
SunClosed

22285 N Pepper Rd, Barrington, IL 6001022285 N Pepper Rd

4.46(491 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.

Quest Diagnostics

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
Sat 8:00 am - 1:00 pm
SunClosed

808 Woodfield Rd, Schaumburg, IL 60173808 Woodfield Rd

4.55(551 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

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 7:30 am - 1:00 pm
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484 W Boughton Rd, Bolingbrook, IL 60440484 W Boughton Rd

4.31(404 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.

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
Sat 7:30 am - 12:00 pm
SunClosed

340 E North Ave, Lombard, IL 60148340 E North Ave

4.52(572 reviews)

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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.

Northwestern Medicine Laboratory Services

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
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2111 Midlands Ct, Sycamore, IL 601782111 Midlands Ct

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HealthLab

Open until 6:00 pm

Mon 6:00 am - 6:00 pm
Tue 6:00 am - 6:00 pm
Wed 6:00 am - 6:00 pm
Thu 6:00 am - 6:00 pm
Fri 6:00 am - 6:00 pm
Sat 6:00 am - 1:00 pm
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300 S Randall Rd, Geneva, IL 60134300 S Randall Rd

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Alverno Laboratories

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 - 12:00 pm
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1975 Lin Lor Ln, Elgin, IL 601231975 Lin Lor Ln

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Alverno Laboratories

Open until 4:00 pm

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
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12159 Regency Pkwy, Huntley, IL 6014212159 Regency Pkwy

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HealthLab

Open until 7:45 pm

Mon 7:30 am - 7:45 pm
Tue 7:30 am - 7:45 pm
Wed 7:30 am - 7:45 pm
Thu 7:30 am - 7:45 pm
Fri 7:30 am - 7:45 pm
Sat 7:30 am - 7:45 pm
Sun 7:30 am - 7:45 pm

820 Illinois Rte 59, Bartlett, IL 60103820 Illinois Rte 59

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Immediate Care Plus

Open until 8:00 pm

Mon10:00 am - 8:00 pm
Tue10:00 am - 8:00 pm
Wed10:00 am - 8:00 pm
Thu10:00 am - 8:00 pm
Fri10:00 am - 8:00 pm
Sat10:00 am - 6:00 pm
Sun10:00 am - 6:00 pm

888 E Main St, East Dundee, IL 60118888 E Main St

4.8(561 reviews)

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Popular Clinic! Booked 4 times today on Solv.

Drug & DNA Testing

Open until 9:00 pm

Mon 8:00 am - 9:00 pm
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Wed 8:00 am - 9:00 pm
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880 E Oak St, Lake in the Hills, IL 60156880 E Oak St

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Northwestern Medicine Central DuPage Hospital Outpatient Lab

Open until 5:00 pm

Mon 6:30 am - 5:00 pm
Tue 6:30 am - 6:30 pm
Wed 6:30 am - 5:00 pm
Thu 6:30 am - 6:30 pm
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Sat 8:00 am - 1:00 pm
Sun 9:00 am - 12:00 pm

25 N Winfield Rd, Winfield, IL 6019025 N Winfield Rd

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Suburban Medical Group, Carol Stream

Suburban Medical Group

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 - 4:00 pm
Sun 8:00 am - 4:00 pm

200 N Gary Ave, Carol Stream, IL 60188200 N Gary Ave

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My elderly mom needed a new PCP, we were very happy with our first visit. Everything was done promptly. She felt very welcome and comfortable , thanks to the doctor and the support staff. I will most likely bring more of my family members here.

Any Lab Test Now, Loves Park

Any Lab Test Now

Open until 6:00 pm

Mon 8:00 am - 6:00 pm
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Wed 8:00 am - 6:00 pm
Thu 8:00 am - 6:00 pm
Fri 8:00 am - 6:00 pm
Sat 9:00 am - 2:00 pm
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6254 E Riverside Blvd, Loves Park, IL 611116254 E Riverside Blvd

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HealthLab

Open until 7:45 pm

Mon 7:30 am - 7:45 pm
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Sun 7:30 am - 7:45 pm

885 Roosevelt Rd, Glen Ellyn, IL 60137885 Roosevelt Rd

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Suburban Medical Group, Bolingbrook

Suburban Medical Group

Open until 8:00 pm

Mon 8:00 am - 8:00 pm
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Thu 8:00 am - 8:00 pm
Fri 8:00 am - 8:00 pm
Sat 8:00 am - 4:00 pm
Sun 8:00 am - 4:00 pm

693 W Boughton Rd, Bolingbrook, IL 60440693 W Boughton Rd

Urgent care

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93% of patients recommend this clinic.

Got in same day doc was awesome she listened to what I had to say and helped me with a plan to start feeling better , would Definitely recommend if you need to see someone and can’t see you doc right away

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Pulmonary Function Test near me in Cortland, IL

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Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Northwestern Medicine Laboratory Services

Northwestern Medicine Laboratory Services

HealthLab

HealthLab

Alverno Laboratories

Alverno Laboratories

Alverno Laboratories

Alverno Laboratories

HealthLab

HealthLab

Immediate Care Plus

Immediate Care Plus

Drug & DNA Testing

Drug & DNA Testing

Northwestern Medicine Central DuPage Hospital Outpatient Lab

Northwestern Medicine Central DuPage Hospital Outpatient Lab

Suburban Medical Group, Carol Stream

Suburban Medical Group

Any Lab Test Now, Loves Park

Any Lab Test Now

HealthLab

HealthLab

Suburban Medical Group, Bolingbrook

Suburban Medical Group

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Pulmonary Function Test near me
in Cortland, IL