What is a pulmonary function test?

A pulmonary function test determines how effectively the lungs are functioning. The test assesses lung volume, capacity, gas exchange, and rate of flow, among other parameters linked to lung function. Your doctor may be able to use the results to identify and treat some lung problems.

How are pulmonary function tests performed in Illinois?

Depending on the information your doctor is looking for, pulmonary function tests can be done in two ways. Your doctor may order both tests in some circumstances since they measure distinct things. Your doctor may use a spirometer (a device with a mouthpiece) or have you stand inside an air-tight box that looks like a telephone booth to test your breathing.

What does a pulmonary function test measure?

A pulmonary function test assesses a number of aspects of lung function. These are some of them: Total lung capacity is the volume of the lungs when they are completely full with air.Forced vital capacity is the amount of air you can forcefully evacuate once your lungs have been completely filled.The amount of air left in your lungs after you've exhaled as much as you can.The amount of air left in your lungs after you exhale normally is known as functional residual capacity.

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Pulmonary function test
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19 instant-book locations

Labcorp

Open until 12:00 pm

Mon 8:30 am - 5:30 pm
Tue 8:30 am - 4:30 pm
Wed 8:30 am - 4:30 pm
Thu 8:30 am - 4:30 pm
Fri 8:30 am - 4:30 pm
Sat 8:30 am - 12:00 pm
SunClosed

380 E Northwest Hwy, Des Plaines, IL 60016380 E Northwest Hwy

4.15(401 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.

Labcorp at Walgreens

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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

2871 Pfingsten Rd, Glenview, IL 600262871 Pfingsten Rd

4.34(536 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

Open until 12:00 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

4.18(590 reviews)

Lab testing

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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 Quest Lab Testing 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.

Kiddos Health & Urgent Care

Open until 4:00 pm

Mon11:00 am - 7:00 pm
Tue11:00 am - 7:00 pm
Wed11:00 am - 7:00 pm
Thu11:00 am - 7:00 pm
Fri11:00 am - 7:00 pm
Sat10:15 am - 4:00 pm
Sun10:00 am - 4:00 pm

3 Yorktown Shopping Center, Lombard, IL 601483 Yorktown Shopping Center

4.7(33 reviews)

Urgent care

Lab testing

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94% of patients recommend this clinic.

I’ve been to a few urgent cares in the area and this place is by far the best place I’ve taken my kids. Staff are all kind and friendly, super professional and the Doctor was just amazing!

Quest Diagnostics

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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
SunClosed

2340 S Highland Ave, Lombard, IL 601482340 S Highland Ave

4.48(566 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 12:00 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 6:30 am - 12:00 pm
SunClosed

1113 Fairview Ave, Westmont, IL 605591113 Fairview Ave

4.17(482 reviews)

Lab testing

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Labcorp

Open until 12:00 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
Sat 8:00 am - 12:00 pm
SunClosed

16325 S Harlem Ave, Tinley Park, IL 6047716325 S Harlem Ave

4.25(443 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

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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
SatClosed
SunClosed

17665 Torrence Ave, Lansing, IL 6043817665 Torrence Ave

4.44(451 reviews)

Lab testing

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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.

Quest Diagnostics

View hours of operation

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

9046 W 159th St, Orland Park, IL 604629046 W 159th St

4.38(528 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, Deerfield

Labcorp

View hours of operation

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

780 Waukegan Rd, Deerfield, IL 60015780 Waukegan Rd

4.49(446 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.

Labcorp

Open until 12:00 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
Sat 8:00 am - 12:00 pm
SunClosed

10737 165th St, Orland Park, IL 6046710737 165th St

4.56(430 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.

Labcorp

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

121 S Wilke Rd, Arlington Heights, IL 60005121 S Wilke Rd

4.59(470 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 1:00 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

4.41(534 reviews)

Lab testing

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Quest Diagnostics

Open until 12:00 pm

Mon 6:00 am - 2:30 pm
Tue 6:00 am - 2:30 pm
Wed 6:00 am - 2:30 pm
Thu 6:00 am - 2:30 pm
Fri 6:00 am - 2:30 pm
Sat 7:00 am - 12:00 pm
SunClosed

19070 Everett Blvd, Mokena, IL 6044819070 Everett Blvd

4.49(589 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 1:00 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 7:30 am - 1:00 pm
SunClosed

484 W Boughton Rd, Bolingbrook, IL 60440484 W Boughton Rd

4.27(412 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

View hours of operation

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

1020 E Ogden Ave, Naperville, IL 605631020 E Ogden Ave

4.32(527 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 1:00 pm

Mon 5:30 am - 4:00 pm
Tue 5:30 am - 4:00 pm
Wed 5:30 am - 4:00 pm
Thu 5:30 am - 4:00 pm
Fri 5:30 am - 4:00 pm
Sat 6:00 am - 1:00 pm
SunClosed

640 S Washington St, Naperville, IL 60540640 S Washington St

4.27(577 reviews)

Lab testing

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Labcorp

Open until 11:30 am

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 - 11:30 am
SunClosed

2338 W Higgins Rd, Hoffman Estates, IL 601692338 W Higgins Rd

4.53(420 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.

Labcorp

View hours of operation

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

2272 95th St, Naperville, IL 605642272 95th St

4.39(571 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 11:00 am

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 - 11:00 am
SunClosed

119 E 93rd Ave, Crown Point, IN 46307119 E 93rd Ave

4.58(534 reviews)

Lab testing

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Pulmonary function test in Illinois

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Labcorp

Labcorp

Labcorp at Walgreens

Labcorp at Walgreens

Quest Diagnostics

Quest Diagnostics

Kiddos Health & Urgent Care

Kiddos Health & Urgent Care

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Labcorp, Deerfield

Labcorp

Labcorp

Labcorp

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

Labcorp

Labcorp

Labcorp

Labcorp

Quest Diagnostics

Quest Diagnostics

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Pulmonary function test
in Illinois