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

Open until 5:00 pm

Mon 8:30 am - 5:00 pm
Tue 8:30 am - 5:00 pm
Wed 8:30 am - 5:00 pm
Thu 8:30 am - 5:00 pm
Fri 8:30 am - 5:00 pm
SatClosed
SunClosed

10837 Katy Fwy, Houston, TX 7707910837 Katy Fwy

4.28(489 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 5:30 pm

Mon 7:30 am - 5:30 pm
Tue 7:30 am - 5:30 pm
Wed 7:30 am - 5:30 pm
Thu 7:30 am - 5:30 pm
Fri 7:30 am - 5:30 pm
SatClosed
SunClosed

1140 Business Center Dr, Houston, TX 770431140 Business Center Dr

4.15(600 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.

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
SatClosed
SunClosed

1601 Main St, Richmond, TX 774691601 Main St

4.39(579 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 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
SatClosed
SunClosed

201 B TX-332, Lake Jackson, TX 77566201 B TX-332

4.6(500 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.

Quest Diagnostics

Open until 5:00 pm

Mon 6:30 am - 5:00 pm
Tue 6:30 am - 5:00 pm
Wed 6:30 am - 5:00 pm
Thu 6:30 am - 5:00 pm
Fri 6:30 am - 5:00 pm
SatClosed
SunClosed

952 S Fry Blvd, Katy, TX 77450952 S Fry Blvd

4.11(599 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.

Labcorp

Open until 2:00 pm

Mon 8:00 am - 2:00 pm
Tue 8:00 am - 2:00 pm
Wed 8:00 am - 2:00 pm
Thu 8:00 am - 2:00 pm
Fri 8:00 am - 2:00 pm
SatClosed
SunClosed

7207 Gessner Rd, Houston, TX 770407207 Gessner Rd

4.13(592 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.

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 7:30 am - 12:00 pm
SunClosed

21700 Kingsland Blvd, Katy, TX 7745021700 Kingsland Blvd

4.41(501 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 12:00 pm

Mon 7:30 am - 12:00 pm
Tue 7:30 am - 12:00 pm
Wed 7:30 am - 12:00 pm
Thu 7:30 am - 12:00 pm
Fri 7:30 am - 12:00 pm
SatClosed
SunClosed

18322 Clay Rd, Houston, TX 7708418322 Clay Rd

4.14(580 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.

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

6530 Garth Rd, Baytown, TX 775216530 Garth Rd

4.31(581 reviews)

Lab testing

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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 8:00 am - 12:00 pm
SunClosed

1331 W Grand Pkwy N, Katy, TX 774931331 W Grand Pkwy N

4.43(534 reviews)

Lab testing

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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
SatClosed
SunClosed

1331 W Grand Pkwy N, Katy, TX 774931331 W Grand Pkwy N

4.14(507 reviews)

Lab testing

Quest Diagnostics

Open until 5:30 pm

Mon 7:30 am - 5:30 pm
Tue 7:30 am - 5:30 pm
Wed 7:30 am - 5:30 pm
Thu 7:30 am - 5:30 pm
Fri 7:30 am - 5:30 pm
SatClosed
SunClosed

23960 Katy Fwy, Katy, TX 7749423960 Katy Fwy

4.39(476 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.