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A Red Blood Cell (RBC) Count is a test that measures the number of red blood cells you have. Normal results are about 4.7-6.1 cells/mcL for males, and 4.2-5.4 million cells/mcL for females.
Causes for a high RBC Count include smoking, congenital heart disease, dehydration, kidney tumor. Causes for a low RBC count can include anemia, bone marrow failure, leukemia, or malnutrition.

Red blood cell indices - Wikipedia

en.wikipedia.org/wiki/Red_blood_cell_indices

Red blood cell indices are blood tests that provide information about the hemoglobin content ... average volume of a red blood cell and is calculated by dividing the hematocrit (Hct) by the red bloo...

Results - Complete blood count (CBC) - Mayo Clinic

www.mayoclinic.org/tests-procedures/complete-blood-count/details/results/rsc-20257186

Oct 18, 2016 ... The following are normal complete blood count results for adults: ... A red blood cell count that's higher than normal (erythrocytosis), or high ...

Red Blood Cell Count (RBC): Purpose, Procedure & Preparation

www.healthline.com/health/rbc-count

Oct 10, 2016 ... A red blood cell count is a test that your doctor uses to find out how many ... You have erythrocytosis if your RBC count is higher than normal.

What Is the Normal Range for a Red Blood Cell Count? - Verywell

www.verywell.com/red-blood-cell-rbc-count-1942659

Jan 10, 2017 ... Learn about red blood cell (RBC) count, an important test that can help your physician find out what's going on with your blood cells.

RBC count: MedlinePlus Medical Encyclopedia

medlineplus.gov/ency/article/003644.htm

Jan 31, 2016 ... Read our article and learn more on MedlinePlus: RBC count. ... Disorder in which red blood cells break down earlier than normal (paroxysmal ...

Red Blood Cell Count - Lab Tests Online

labtestsonline.org/understanding/analytes/rbc/tab/test/

Apr 25, 2016 ... This can cause decreased blood flow and related problems. While an RBC ... Some causes of a low RBC count (anemia) include: Trauma; Red ...

Low hemoglobin count Causes - Mayo Clinic

www.mayoclinic.org/symptoms/low-hemoglobin/basics/causes/sym-20050760

May 8, 2015 ... Low hemoglobin count: Symptom — Overview covers possible causes of low ... Your body produces fewer red blood cells than usual; Your body destroys red blood ... Mayo Clinic does not endorse companies or products.

Low hemoglobin count - Mayo Clinic

www.mayoclinic.org/symptoms/low-hemoglobin/basics/definition/sym-20050760

May 8, 2015 ... Hemoglobin (Hb or Hgb) is a protein in red blood cells that carries oxygen ... If it gets more severe and causes symptoms, your low hemoglobin count may indicate you ... Mayo Clinic does not endorse companies or products.