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Histology examination of tissue for cancer diagnosis (e.g., biopsy)

Published: August 9, 2026Updated: August 17, 2026

This test involves analyzing a small piece of tissue removed from your body to check for signs of cancer, such as abnormal cell growth or cancerous tumors.

Quick summary

["A tissue biopsy helps doctors determine if cancer is present and plan further treatment."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
21856-0
Short code
Histology ICD-O-2 Cancer
Synonyms
Histology ICD-O-2 Cancer
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Critical range
0.5 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

A tissue biopsy for cancer is a medical procedure in which a small sample of cells or tissue is removed from a suspicious area of your body so that it can be examined under a microscope by a specialist doctor called a pathologist, who checks for the presence of cancer cells.

A biopsy is a procedure where a healthcare provider takes a small sample of tissue from your body using a needle or surgical tool. This sample is then examined under a microscope by a pathologist to identify any abnormal cells, including cancerous ones. The type of tissue removed depends on where cancer is suspected (e.g., breast, lung, skin, or other organs).

The biopsy is usually performed after the area is numbed with a local anesthetic. A thin needle, or in some cases a small incision, is then used to remove a tiny sample of tissue, often with the help of imaging guidance such as ultrasound or CT to make sure the sample is taken from the right spot.

Biopsies can be done in several ways, such as fine-needle aspiration (a thin needle extracts cells), core needle biopsy (a larger needle removes tissue cores), or surgical biopsy (a larger piece of tissue is cut out). The procedure is usually done in a doctor’s office or hospital under local anesthesia to minimize discomfort. Recovery time varies depending on the method used.

This test is important because it is the most reliable way to confirm whether a growth or abnormal area is cancerous, determine the exact type and characteristics of the cancer, and help your care team choose the most effective treatment plan tailored to your specific condition.

This test is critical for diagnosing cancer early, guiding treatment decisions, and determining the stage of disease. It helps doctors confirm whether abnormal cells are cancerous, assess how far the cancer has spread, and plan the best course of action, such as surgery, radiation, or chemotherapy.

After the biopsy, the sample is sent to a laboratory, where it is analyzed by a pathologist. Results are typically available within several days to about a week. Your doctor will contact you to review the findings, answer your questions, and discuss the next steps in your diagnosis or treatment.

After the biopsy, you may have some mild bruising, swelling, or discomfort at the site. Your doctor will monitor you for any signs of infection or complications. The tissue sample is sent to a lab for analysis, where a pathologist examines it under a microscope to identify cellular changes or cancerous growths.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

This test is essential for confirming cancer diagnoses, staging the disease, and determining the most effective treatment options. It helps doctors assess whether cancer has spread to other parts of the body and guides decisions about further testing or therapy.
Yes, biopsies can be performed even if you have other health conditions, but your doctor will assess whether your condition affects the procedure. They may adjust the approach or choose a less invasive method if needed to ensure your safety.
Results from a biopsy typically take a few days to a couple of weeks, depending on the complexity of the sample and the lab’s workload. Your doctor will contact you once the results are ready, but they may also provide a preliminary update if needed during the procedure or shortly afterward.
What are the possible risks or side effects I should know about before having a biopsy?
Common risks include minor bruising, soreness, or bleeding at the biopsy site. Rarely, complications like infection, bleeding, or nerve damage may occur. Your doctor will discuss potential risks with you before the procedure and may recommend precautions, such as avoiding strenuous activity for a few days afterward.
Can I still have a biopsy if I take blood thinners or have other health conditions such as diabetes or high blood pressure?
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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 17, 2026. · Read our editorial policy