Updated 2/14/2025

Skin biopsy

A skin biopsy is a minor procedure where a small sample of skin is removed for testing. This helps doctors diagnose skin conditions or diseases by examining the tissue under a microscope.

Purpose

The procedure is performed to investigate unusual skin changes, such as growths, rashes, or lesions. It helps determine if these changes are benign or indicative of a more serious condition, like skin cancer.

Risks, Benefits, and Alternatives

It provides a definitive diagnosis for skin conditions, allowing for appropriate treatment.
The procedure is relatively quick and can often be done in a doctor's office.
It helps monitor existing skin conditions and assess their progression.

Procedure Details

Preparation

You may be advised to avoid blood-thinning medications, like aspirin, before the procedure.
Inform your doctor about any allergies, especially to local anesthetics.
Arrive with clean skin; you may be instructed to wash the area before the procedure.

Process

The area of skin to be biopsied is cleaned and marked by the doctor.
A local anesthetic is injected to numb the area, minimizing discomfort.
The doctor uses a special tool to remove a small sample of skin.
The sample is placed in a container for laboratory analysis.
The site is then bandaged to promote healing.

Recovery

You may experience some swelling or tenderness at the biopsy site, which is normal.
Keep the area clean and dry to prevent infection.
Follow your doctor's instructions regarding bandage changes and activity restrictions.

Duration

The procedure typically takes about 15 to 30 minutes.

Anesthesia

Local anesthesia is used to numb the area.

Cost Information

The cost of a skin biopsy can vary widely depending on the location and healthcare provider. Generally, it may range from $100 to $500, but insurance may cover part of the expense.

Video Overview

Video coming soon!