High red blood cell count

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When to see a doctor

By Mayo Clinic staff

A high red blood cell count is rarely an unexpected finding or simply discovered by chance. It's usually found when your doctor has ordered tests to help diagnose a condition you're already experiencing. Talk to your doctor about what these results mean. A high red blood cell count and results from other tests may indicate the cause of your illness, or your doctor may suggest additional tests to assess your condition.

References
  1. Prchal JT. Clinical manifestations and classification of erythrocyte disorders. In: Lichtman MA, et al. Williams Hematology. 8th ed. New York, N.Y.: McGraw-Hill Companies Inc.; 2010. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=69. Accessed Sept. 30, 2010.
  2. Polycythemia vera (primary polycythemia). The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/sec11/ch141/ch141d.html#sec11-ch141-ch141d-694. Accessed Sept. 30, 2010.
  3. Brennan DC, et al. Erythrocytosis following renal transplantation. http://www.uptodate.com/home/index.html. Accessed Sept. 30, 2010.
  4. Laboratory reference values. Erythrocytes: Red blood cells (RBC). Rochester, Minn.: Mayo Foundation for Medical Education and Research; September 2010.
  5. Renal cell carcinoma. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/sec17/ch241/ch241f.html?qt=kidney%20cancer&alt=sh. Accessed Sept. 30, 2010.
  6. Blood studies: Hematology and coagulation. In: Fischbach FT, et al. A Manual of Laboratory and Diagnostic Tests. 8th ed. Philadelphia, Pa.: Lippincott Williams & Wilkins; 2009:92.
MY00111 Oct. 9, 2010

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