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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Quest Diagnostics

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

Open 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

4.24(404 reviews)

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.

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Quest Diagnostics

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

Open 4:00 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

4.35(424 reviews)

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Quest Diagnostics

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

Open 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
SunClosed

4.35(435 reviews)

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.

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Quest Diagnostics

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

Open 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

4.22(408 reviews)

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.

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Quest Diagnostics

885 S Randall Rd, Geneva, IL 60134885 S Randall Rd

Open 4:30 pm

Mon 6:00 am - 4:30 pm
Tue 6:00 am - 4:30 pm
Wed 6:00 am - 4:30 pm
Thu 6:00 am - 4:30 pm
Fri 6:00 am - 4:30 pm
Sat 6:00 am - 11:00 am
SunClosed

4.25(588 reviews)

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.

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Quest Diagnostics

260E Congress Pkwy, Crystal Lake, IL 60014260E Congress Pkwy

Open 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 6:00 am - 12:00 pm
SunClosed

4.15(550 reviews)

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.

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Quest Diagnostics

1180 W Wilson St, Batavia, IL 605101180 W Wilson St

Open11:00 am

Mon 7:00 am - 11:00 am
Tue 7:00 am - 11:00 am
Wed 7:00 am - 11:00 am
Thu 7:00 am - 11:00 am
Fri 7:00 am - 11:00 am
Sat 8:00 am - 12:00 pm
SunClosed

4.59(403 reviews)

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.

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Quest Diagnostics

17665 Torrence Ave, Lansing, IL 6043817665 Torrence Ave

Open 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

4.38(415 reviews)

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.

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Quest Diagnostics

2088 Ogden Ave, Aurora, IL 605042088 Ogden Ave

Open 4:30 pm

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

4.49(559 reviews)

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.

Call now