Cytology Studies (Cell Examination)
This test examines cells from a sample (e.g., fluid, tissue, or brushings) to identify abnormalities like cancer, infections, or inflammation. It helps diagnose conditions such as cervical cancer, lung disease, or other cellular issues.
["Cytology tests can detect early signs of disease and guide treatment plans."]
Key facts at a glance
- LOINC
- 26438-2
- Short code
- CYTOLOGYSTUDIES
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- 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
What Is Cytology Testing Used For?
Cytology tests are used to examine cells collected from various body sites, including the cervix, lungs, bladder, or lymph nodes. They may be performed to screen for cancer, evaluate symptoms like unusual bleeding or coughing, or investigate unexplained changes in tissue or fluid.
Common Types of Cytology Samples
Samples may come from procedures like a Pap smear (cervix), fine-needle aspiration (breast, thyroid, or lymph nodes), or brushing of body cavities (e.g., bladder or respiratory tract). Fluid samples (e.g., from the lungs or abdomen) may also be analyzed.
How Is the Test Performed?
A healthcare provider collects cells using a brush, swab, or needle. The sample is then sent to a lab, where cells are stained and examined under a microscope by a trained cytologist. Results may be reported as normal, suspicious for cancer, or requiring further testing.
What Are the Possible Results?
Results can include: normal cells, benign (non-cancerous) changes, atypical cells (unsure if cancerous), or suspicious for malignancy. Follow-up tests (e.g., biopsies) may be needed if abnormalities are detected.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Cytology Test
Frequently asked questions
Why might I need a cytology test?
How long does it take to get results?
Can cytology tests be done at home?
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