What causes high RBC and low RDW SD?
High RBC and low RDW SD can be caused by many reasons.
If your RBC is in between 4.5 mil/uL and 5.5 mil/uL and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for RBC and RDW SD respectively. But if your levels are 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 RBC levels
Normal range of RBC : 4.5 - 5.5 mil/uL
| Age | Ideal RBC value |
|---|---|
| <5 years | 4.545 |
| 5-10 years | 4.59 |
| 10-15 years | 4.636 |
| 15-20 years | 4.682 |
| 20-25 years | 4.729 |
| 25-30 years | 4.776 |
| 30-35 years | 4.824 |
| 35-40 years | 4.872 |
| 40-45 years | 4.921 |
| 45-50 years | 4.97 |
| 50-55 years | 5.02 |
| 55-60 years | 5.07 |
| 60-70 years | 5.121 |
| 70-80 years | 5.172 |
| 80-90 years | 5.224 |
| 90-100 years | 5.276 |
| >100 years | 5.329 |
*Ideal values are calculated based on our database of patient records
If you want your blood test report to be interpreted by RBC specialist, then 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
1,37,160
Total number of patients treatedRBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia
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
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
Normal range of RDW SD : 39 - 46 fL
| Age | Ideal RDW SD value |
|---|---|
| <5 years | 39.39 |
| 5-10 years | 39.784 |
| 10-15 years | 40.182 |
| 15-20 years | 40.584 |
| 20-25 years | 40.99 |
| 25-30 years | 41.4 |
| 30-35 years | 41.814 |
| 35-40 years | 42.232 |
| 40-45 years | 42.654 |
| 45-50 years | 43.081 |
| 50-55 years | 43.512 |
| 55-60 years | 43.947 |
| 60-70 years | 44.386 |
| 70-80 years | 44.83 |
| 80-90 years | 45.278 |
| 90-100 years | 45.731 |
| >100 years | 45.726 |
Also Read : Symptoms of High RBC
Also Read : Symptoms of Low RDW SD
High RBC and low RDW SD can be caused by a lot of reasons. If you take RBC and RDW SD blood tests and the results are higher than 5.5 mil/uL for RBC and lower than 39 fL for RDW SD, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.
This page has got the maximum number of views from the below mentioned cities (traffic in last 30 days):
How the RBC and RDW SD Tests Are Done :
If your doctor wants RBC and RDW SD tests on you, you may need to go through these tests. During the RBC and RDW SD blood tests, 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 and RDW SD Test reports by your pathologist.
