Skip to content

Lung Tissue Cytology (Guided by Imaging, Bronchoalveolar Lavage or Bronchoscopic Aspirate)

Published: August 9, 2026Updated: August 16, 2026

This test examines cells collected from your lungs, often during a bronchoscopy or lavage procedure, to check for abnormal growths, infections, or other lung conditions.

Quick summary

["A lung tissue sample helps diagnose lung diseases by identifying abnormal cells or pathogens."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
88526-9
Short code
CT Guided Lung-R Bx
Synonyms
CT Guided Lung-R Bx
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ct
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 This Test Is Done

Your doctor may recommend this test if you have symptoms like persistent cough, unexplained weight loss, or difficulty breathing. It’s also used to investigate suspected lung cancer, severe infections, or inflammatory conditions.

What to Expect Before the Test

You’ll likely receive a local anesthetic to numb your throat. The procedure involves inserting a bronchoscope—a thin tube with a light—to collect lung fluid or tissue samples. You may feel mild discomfort but shouldn’t experience pain.

What Happens During the Test

After sample collection, the lab analyzes cells under a microscope. Results can identify abnormal cells, infections, or inflammation, guiding further treatment.

What the Results Mean

Results may show normal lung tissue, benign growths, or signs of cancer, infections (e.g., tuberculosis), or other lung diseases. Follow-up care depends on findings.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: This test is critical for diagnosing lung diseases, including cancer, infections, and inflammatory disorders, by providing direct cellular insights from lung tissue.

Short name

Lung Tissue Exam

Frequently asked questions

What does a positive or abnormal result mean?
An abnormal result may indicate abnormal cells (e.g., cancer), infection, or inflammation. Your doctor will discuss findings and next steps, such as additional tests or treatment options.
How long does it take to get results?
Results typically take 3–7 business days, depending on lab processing. Your doctor will contact you once available.
Can I eat or drink before this test?
You may eat and drink normally unless instructed otherwise. Follow your doctor’s specific instructions for fasting or preparation.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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