Tracheal Aspirate Culture for Aerobic Bacteria (with Susceptibility Testing)
This test helps identify and determine the effectiveness of antibiotics for any bacteria growing in your tracheal secretions, which may be collected during procedures like a bronchoscopy.
["This test helps guide antibiotic treatment for infections in your airway."]
Key facts at a glance
- LOINC
- 44238-4
- Short code
- XR Trachea Views
- Synonyms
- XR Trachea Views
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- xr
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why Is This Test Done?
Your healthcare provider may order this test if you have symptoms like persistent cough, fever, or difficulty breathing that suggest an infection in your trachea or lungs. It’s also used to confirm or rule out infections before or after certain medical procedures.
What Does the Test Involve?
A sample of your tracheal secretions is collected—often during a bronchoscopy—using a thin tube inserted into your airway. The sample is then sent to a lab to grow bacteria in a controlled environment. Results may take several days to weeks to identify specific bacteria and their antibiotic resistance patterns.
What Are the Results Used For?
The results help your healthcare team determine the most effective antibiotic treatment to target the specific bacteria causing your infection, improving recovery and reducing side effects from unnecessary antibiotics.
How Long Does It Take to Get Results?
Results can take anywhere from a few days to over a week, depending on the growth of bacteria and testing methods. Your provider will discuss findings with you once they’re ready.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Clinical Significance: This test is critical for diagnosing tracheal or lower respiratory infections, guiding personalized antibiotic therapy, and preventing the spread of resistant bacteria. It ensures treatment is both effective and tailored to your specific infection.
Short name
Aerobic Bacterial Culture of Tracheal Secretions
Frequently asked questions
How often can I expect to have this test?
What if no bacteria grow in the sample?
Can I take antibiotics before this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy