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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in Westminster, CA

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12 instant-book locations

Labcorp

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
SatClosed
SunClosed

1310 San Bernardino Rd, Upland, CA 917861310 San Bernardino Rd

4.45(520 reviews)

Lab testing

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 5:00 pm

Mon 5:00 am - 5:00 pm
Tue 5:00 am - 5:00 pm
Wed 5:00 am - 5:00 pm
Thu 5:00 am - 5:00 pm
Fri 5:00 am - 5:00 pm
Sat 7:00 am - 11:00 am
SunClosed

1399 E Foothill Blvd, Upland, CA 917861399 E Foothill Blvd

4.49(440 reviews)

Lab testing

Visit Clinic

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 3:30 pm

Mon 8:00 am - 3:30 pm
Tue 8:00 am - 3:30 pm
Wed 8:00 am - 3:30 pm
Thu 8:00 am - 3:30 pm
Fri 8:00 am - 3:30 pm
SatClosed
SunClosed

465 N Roxbury Dr, Beverly Hills, CA 90210465 N Roxbury Dr

4.55(564 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 3:00 pm

Mon 7:30 am - 3:00 pm
Tue 7:30 am - 3:00 pm
Wed 7:30 am - 3:00 pm
Thu 7:30 am - 3:00 pm
Fri 7:30 am - 3:00 pm
SatClosed
SunClosed

10921 Wilshire Blvd, Los Angeles, CA 9002410921 Wilshire Blvd

4.23(569 reviews)

Lab testing

Labcorp

Open until 12:00 pm

Mon 8:00 am - 1:00 pm
Tue 8:00 am - 1:00 pm
Wed 8:00 am - 1:00 pm
Thu 8:00 am - 1:00 pm
Fri 8:00 am - 12:00 pm
SatClosed
SunClosed

1809 Verdugo Blvd, La Cañada Flintridge, CA 910111809 Verdugo Blvd

4.21(450 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 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

3600 N Verdugo Rd, Glendale, CA 912083600 N Verdugo Rd

4.26(522 reviews)

Lab testing

Visit Clinic

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 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 7:30 am - 12:00 pm
SunClosed

3975 Jackson St, Riverside, CA 925033975 Jackson St

4.28(482 reviews)

Lab testing

Visit Clinic

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.

Quest Diagnostics

Open until 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

9041 Magnolia Ave, Riverside, CA 925039041 Magnolia Ave

4.49(551 reviews)

Lab testing

Visit Clinic

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

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
SatClosed
SunClosed

2701 W Alameda Ave, Burbank, CA 915052701 W Alameda Ave

4.15(554 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 3:00 pm

Mon 7:00 am - 3:00 pm
Tue 7:00 am - 3:00 pm
Wed 7:00 am - 3:00 pm
Thu 7:00 am - 3:00 pm
Fri 7:00 am - 3:00 pm
SatClosed
SunClosed

8044 Limonite Ave, Riverside, CA 925098044 Limonite Ave

4.42(559 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.

Quest Diagnostics

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

1260 15th St, Santa Monica, CA 904041260 15th St

4.49(530 reviews)

Lab testing

Visit Clinic

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

Open until 3:00 pm

Mon 8:00 am - 3:00 pm
Tue 8:00 am - 3:00 pm
Wed 8:00 am - 3:00 pm
Thu 8:00 am - 3:00 pm
Fri 8:00 am - 3:00 pm
SatClosed
SunClosed

1821 Wilshire Blvd, Santa Monica, CA 904031821 Wilshire Blvd

4.57(548 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.