Is RBC 4.58 normal, high or low? What does Red blood cell count level 4.58 mean?

📅 Medical Review Date: September 30, 2025

Your RBC level of 4.58 is a Normal 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.

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	4.706
5-10 years	4.922
10-15 years	5.147
15-20 years	5.383
20-25 years	5.372
25-30 years	5.361
30-35 years	5.35
35-40 years	5.339
40-45 years	5.328
45-50 years	5.317
50-55 years	5.306
55-60 years	5.295
60-70 years	5.284
70-80 years	5.273
80-90 years	5.262
90-100 years	5.251
>100 years	5.491

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

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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

Receive world-class medical opinion about your normal RBC levels over email.Upload blood test report now

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	5.236
5-10 years	5.483
10-15 years	5.742
15-20 years	5.729
20-25 years	5.999
25-30 years	5.986
30-35 years	5.972
35-40 years	5.959
40-45 years	5.946
45-50 years	5.932
50-55 years	5.919
55-60 years	5.906
60-70 years	5.893
70-80 years	5.88
80-90 years	5.867
90-100 years	5.854
>100 years	5.841

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.

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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.

Medical References

• MedlinePlus – Red Blood Cell (RBC) Count
• WebMD – Red Blood Cell (RBC) Count Test: Results and What They Mean
• MedlinePlus – Red Blood Cell (RBC) Indices

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