A skin biopsy is a simple and painless procedure that involves removing a small sample of skin for testing. It's done to check for signs of skin disease. The procedure is usually performed by a dermatologist or a trained medical professional. There are different types of skin biopsies, including: Shave biopsy: This involves shaving off a thin layer of skin. Punch biopsy: This uses a circular tool to remove a small core of skin. Excisional biopsy: This involves removing an entire lump or area of abnormal skin. After the biopsy, the sample is sent to a lab where it is examined under a microscope. The results can help diagnose conditions like skin cancer, infections, and other skin disorders. The procedure is quick and usually takes about 15-30 minutes. You may feel a slight pinch when the local anesthetic is injected, but the biopsy itself is painless. After the procedure, you may have a small scar or some minor discomfort, but these usually heal quickly. Your doctor will give you instructions on how to care for the biopsy site. If you notice any signs of infection, such as increased redness, swelling, or pus, contact your doctor immediately. A skin biopsy is a valuable tool for diagnosing skin conditions and can provide important information about your skin health.