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 Gastroenterology and Hepatology Hematology By Mayo Clinic Staff Request an Appointment at Mayo Clinic Diagnosis & treatment Oct. 18, 2019 Print Share on: FacebookTwitter Related Craving and chewing ice: A sign of anemia? Associated Procedures Colonoscopy Ferritin test Hematocrit test Hemoglobin test Ultrasound Upper endoscopy Show more associated procedures Iron deficiency anemiaSymptoms & causesDiagnosis & treatmentDoctors & departments Research: It's All About Patients CON-20212611 Patient Care & Health Information Diseases & Conditions Iron deficiency anemia