Why do I need a blood oxygen level test?
There are many reasons this test is ordered. You may need a blood oxygen level test if you:
Have trouble breathing
Have frequent periods of nausea and/or vomiting
Are being treated for a lung disease, such as asthma, chronic obstructive pulmonary disease (COPD), or cystic fibrosis. The test can help to see if treatment is working.
Recently injured your head or neck, which can affect your breathing
Had a drug overdose
Are receiving oxygen therapy while in the hospital. The test can help make sure you are getting the right amount of oxygen.
Have carbon monoxide poisoning
Have a smoke inhalation injury
A newborn baby may also need this test if he or she is having trouble breathing.
