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

7737 Southwest Fwy, Houston, TX 770747737 Southwest Fwy

Open 5:30 pm

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

4.29(543 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

7777 Southwest Fwy, Houston, TX 770747777 Southwest Fwy

Open12:30 pm

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

4.38(532 reviews)

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Quest Diagnostics

13114 Farm to Market 1960 Rd W, Houston, TX 7706513114 Farm to Market 1960 Rd W

Open12:30 pm

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

4.2(552 reviews)

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.

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Quest Diagnostics

11811 Farm to Market 1960 Rd W, Houston, TX 7706511811 Farm to Market 1960 Rd W

Open 5:00 pm

Mon 7:30 am - 5:00 pm
Tue 7:30 am - 5:00 pm
Wed 7:30 am - 5:00 pm
Thu 7:30 am - 5:00 pm
Fri 7:30 am - 5:00 pm
SatClosed
SunClosed

4.31(526 reviews)

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.

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Quest Diagnostics

10680 Jones Rd, Houston, TX 7706510680 Jones Rd

Open 6:00 pm

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

4.14(430 reviews)

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.

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Quest Diagnostics

6700 W Loop S, Bellaire, TX 774016700 W Loop S

Open 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 - 4:00 pm
SatClosed
SunClosed

4.47(410 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

6565 W Loop S, Bellaire, TX 774016565 W Loop S

Open 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

4.23(484 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

5586 Weslayan St, Houston, TX 770055586 Weslayan St

Open 6:00 pm

Mon 6:30 am - 6:00 pm
Tue 6:30 am - 6:00 pm
Wed 6:30 am - 6:00 pm
Thu 6:30 am - 6:00 pm
Fri 6:30 am - 6:00 pm
Sat 8:00 am - 12:00 pm
SunClosed

4.43(511 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

3131 W Holcombe Blvd, Houston, TX 770253131 W Holcombe Blvd

Open 5:30 pm

Mon 7:00 am - 5:30 pm
Tue 7:00 am - 5:30 pm
Wed 7:00 am - 5:30 pm
Thu 7:00 am - 5:30 pm
Fri 7:00 am - 5:30 pm
Sat 8:00 am - 12:00 pm
SunClosed

4.13(413 reviews)

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.

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Quest Diagnostics

1631 N Loop W, Houston, TX 770081631 N Loop W

Open 5:30 pm

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

4.46(471 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

7400 Fannin St, Houston, TX 770547400 Fannin St

Open 5:00 pm

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

4.43(479 reviews)

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.

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Quest Diagnostics

6400 Fannin St, Houston, TX 770306400 Fannin St

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

4.32(481 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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Brookshire Family Practice

4019 S Front St, Brookshire, TX 774234019 S Front St

Open until 5:00 pm

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

Brookshire Family Practice - 4019 S Front St

On-time. efficient friendly and business-like. Online booking and processing all went just fine.

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Preferred Urgent Care, Fulshear

Preferred Urgent Care

4030 FM 1463, Katy, TX 774944030 FM 1463

Open until 9:00 pm

Mon 8:00 am - 9:00 pm
Tue 8:00 am - 9:00 pm
Wed 8:00 am - 9:00 pm
Thu 8:00 am - 9:00 pm
Fri 8:00 am - 9:00 pm
Sat 8:00 am - 9:00 pm
Sun 8:00 am - 9:00 pm

Preferred Urgent Care, Fulshear - 4030 FM 1463

The entire staff had a fantastic attitude and got me in and out. Extremely satisfied and wish all healthcare workers were the same! Thank you Mrs. Raspberry and Ms. Alex!!

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