Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments that treat this condition Hematology By Mayo Clinic Staff Request an Appointment at Mayo Clinic Diagnosis & treatment Sept. 01, 2020 Print Share on: FacebookTwitter Related Associated Procedures Bone marrow biopsy Complete blood count (CBC) Genetic testing Products & Services Book: Mayo Clinic Family Health Book, 5th Edition Newsletter: Mayo Clinic Health Letter — Digital Edition Show more products and services from Mayo Clinic Polycythemia veraSymptoms & causesDiagnosis & treatmentDoctors & departments Research: It's All About Patients CON-20257394 Patient Care & Health Information Diseases & Conditions Polycythemia vera