Breathing and lung function tests

Tests to measure your oxygen levels

From time to time your health care professional may need to check your oxygen levels. Tests used to check your oxygen levels are:

If you have urgent concerns or need advice quickly, call our helpline on 03000 030 050 between 9am and 5pm on a weekday or email them.

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Last medically reviewed: January 2017. Due for review: January 2020

This information uses the best available medical evidence and was produced with the support of people living with lung conditions. Find out how we produce our information. If you’d like to see our references get in touch.