Is RBC 3.99 low, normal or dangerous? What does Red blood cell count level 3.99 mean?
Your RBC level of 3.99 is a Low 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 - Go to the end of this article and read how our patients treated their low RBC levels
Normal range of RBC found among men : 4.5 - 5.5 mil/uL
| Age | Ideal RBC value |
|---|---|
| <5 years | 4.68 |
| 5-10 years | 4.867 |
| 10-15 years | 5.061 |
| 15-20 years | 5.263 |
| 20-25 years | 5.473 |
| 25-30 years | 5.464 |
| 30-35 years | 5.455 |
| 35-40 years | 5.447 |
| 40-45 years | 5.438 |
| 45-50 years | 5.429 |
| 50-55 years | 5.421 |
| 55-60 years | 5.412 |
| 60-70 years | 5.403 |
| 70-80 years | 5.395 |
| 80-90 years | 5.386 |
| 90-100 years | 5.378 |
| >100 years | 5.37 |
*Ideal values are calculated based on our database of patient records
A video message on the treatment of your low 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 Article : How our patients treated their low rbc?
Click here to know Symptoms of Low RBC
Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results
Can Low or High RBC cause Heart Attack? Click here to know
Normal range of RBC found among women : 5-6 mil/uL
| Age | Ideal RBC value |
|---|---|
| <5 years | 5.205 |
| 5-10 years | 5.419 |
| 10-15 years | 5.642 |
| 15-20 years | 5.874 |
| 20-25 years | 5.864 |
| 25-30 years | 5.854 |
| 30-35 years | 5.845 |
| 35-40 years | 5.835 |
| 40-45 years | 5.825 |
| 45-50 years | 5.815 |
| 50-55 years | 5.805 |
| 55-60 years | 5.796 |
| 60-70 years | 5.786 |
| 70-80 years | 5.776 |
| 80-90 years | 5.766 |
| 90-100 years | 5.756 |
| >100 years | 5.993 |
Click here to know Symptoms of Low RBC
Can Low or High RBC cause Heart Attack? Click here to know
Click here to 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.
Some examples of conditions that increase or decrease RBC levels include:
- Sudden (acute) or chronic bleeding from the digestive tract
- Kidney failure—severe 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 low RBC levels over email. Upload blood test report now
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How the RBC Test Is Done :
If your doctor wants RBC test on you, you may need a RBC blood test. During the RBC blood test, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your RBC Test report by your pathologist.
Click here to upload your blood test report
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