Is RBC 6.37 high, normal or dangerous? What does Red blood cell count level 6.37 mean?

📅 Medical Review Date: January 21, 2026

Your RBC level of 6.37 is a High RBC level.

If you are a male and your RBC is in between 4.5 mil/uL and 5.5 mil/uL, or if you are a female and your RBC is in between 5 mil/uL and 6 mil/uL then you need not worry as 4.5-5.5 mil/uL is the normal range for men and 5-6 mil/uL is the normal range for women. But if your RBC is lesser or greater than the above values, then there may be some problem in your body.

Important - Scroll to the end of this article to see how our patients managed their high RBC levels

The normal RBC range for men is :4.5 - 5.5 mil/uL

**Ideal values of RBC depending on age (male) :**
Age	Ideal RBC value
<5 years	4.787
5-10 years	5.092
10-15 years	5.416
15-20 years	5.394
20-25 years	5.372
25-30 years	5.35
30-35 years	5.328
35-40 years	5.306
40-45 years	5.284
45-50 years	5.263
50-55 years	5.241
55-60 years	5.22
60-70 years	5.199
70-80 years	5.178
80-90 years	5.157
90-100 years	5.486
>100 years	5.463

*Ideal values are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our RBC experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides RBC, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high RBC levels after this video message

A video message on the treatment of your high RBC level

If you want your blood test report to be interpreted by RBC specialist, you can upload your report. Our RBC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high RBC levels

Some examples of conditions that increase or decrease RBC levels include:

Sudden (acute) or chronic bleeding from the digestive tract
Kidney failuresevere and chronic kidney diseases lead to decreased production of erythropoietin
Bone marrow damage
Conditions that cause red blood cells to be destroyed, such as hemolytic anemia caused by autoimmunity or defects in the red cell itself
Chronic bleeding from the digestive tract

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Important - At the end of this article read how our patients treated their high RBC levels

Also Read :How our patients treated their high rbc?

Normal range of RBC found among women :5-6 mil/uL

**Ideal values of RBC depending on age (female) :**
Age	Ideal RBC value
<5 years	5.328
5-10 years	5.678
10-15 years	5.654
15-20 years	5.63
20-25 years	5.999
25-30 years	5.974
30-35 years	5.948
35-40 years	5.922
40-45 years	5.897
45-50 years	5.872
50-55 years	5.846
55-60 years	5.821
60-70 years	5.796
70-80 years	5.771
80-90 years	5.746
90-100 years	5.721
>100 years	5.696

Upload your blood test report

If you take a RBC blood test and the results are not in the normal range (4.5-5.5 mil/uL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

Important :How our patients treated their high rbc?

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How the RBC Test Is Done :

When your doctor orders a RBC test, it involves a straightforward blood draw to measure your RBC levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your RBC test results are usually available within a few hours.