Costs and insurance By Mayo Clinic Staff Print Mayo Clinic works with hundreds of insurance companies and is an in-network provider for millions of people. In most cases, Mayo Clinic doesn't require a physician referral. Some insurers require referrals or may have additional requirements for certain medical care. All appointments are prioritized on the basis of medical need. Learn more about appointments at Mayo Clinic. Please contact your insurance company to verify medical coverage and to obtain any needed authorization prior to your visit. Often, your insurer's customer service number is printed on the back of your insurance card. More information about billing and insurance: Mayo Clinic in Arizona, Florida and Minnesota Mayo Clinic Health System Request an appointment Doctors & Departments April 04, 2023 Print Share on: FacebookTwitter Show references Alguire PC, et al. Skin biopsy techniques. https://www.uptodate.com/contents/search. Accessed Jan. 3, 2023. Gibson LE (expert opinion). Mayo Clinic. Dec. 22, 2020. Dinulos JGH. Dermatologic surgical procedures. In: Habif's Clinical Dermatology. 7th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed Dec. 4, 2020. Office of Patient Education. Punch skin biopsy. Mayo Clinic; 2017. Skin biopsyAboutDoctors&Departments PRC-20155349 Patient Care & Health Information Tests & Procedures Skin biopsy