Locations, travel and lodging

Mayo Clinic has major campuses in Phoenix and Scottsdale, Arizona; Jacksonville, Florida; and Rochester, Minnesota. The Mayo Clinic Health System has dozens of locations in several states.

For more information on visiting Mayo Clinic, choose your location below:

Costs and insurance

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

Aug. 05, 2025
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  2. Ferri FF. Laboratory tests and interpretation of results. In: Ferri's Clinical Advisor 2025. Elsevier; 2025. https://www.clinicalkey.com. Accessed July 2, 2025.
  3. Alkaline phosphatase (ALP) test. Testing.com. https://www.testing.com/tests/alkaline-phosphatase-alp. Accessed July 2, 2025.
  4. Friedman S, et al., eds. Approach to abnormal liver tests. In: Greenberger's Current Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy. 4th ed. McGraw Hill; 2022. https://accessmedicine.mhmedical.com. Accessed July 2, 2025.
  5. Alkaline phosphatase, total and isoenzymes, serum. Mayo Clinic Laboratories. https://www.mayocliniclabs.com/test-catalog/overview/622157#Clinical-and-Interpretive. Accessed July 10, 2025.
  6. Bone alkaline phosphatase, serum. Mayo Clinic Laboratories. https://www.mayocliniclabs.com/test-catalog/overview/82985#Clinical-and-Interpretive. Accessed July 10, 2025.
  7. Dehn R, et al., eds. Venipuncture. In: Essential Clinical Procedures. 4th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed July 10, 2025.
  8. Minisola S, et al. Diagnostic approach to abnormal alkaline phosphatase value. Mayo Clinic Proceedings. 2025; doi:10.1016/j.mayocp.2024.11.019.
  9. Youssef EM, et al. Subnormal serum liver enzyme levels: A review of pathophysiology and clinical significance. Journal of Clinical and Translational Hepatology. 2024; doi:10.14218/JCTH.2023.00446.
  10. Feldman M, et al., eds. Liver chemistry and function tests. In: Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management. 11th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed July 10, 2025.
  11. Medical review (expert opinion). Mayo Clinic. July 21, 2025.
  12. Singer M, et al. The third international consensus definitions for sepsis and septic shock (Sepsis-3). JAMA. 2016; doi:10.1001/jama.2016.0287.

Alkaline phosphatase (ALP) blood test