What causes high Hemoglobin and low RBC?

High Hemoglobin and low RBC can be caused by many reasons.

If your Hemoglobin is in between 13 g/dL and 17 g/dL and your RBC is in between 4.5 mil/uL and 5.5 mil/uL then you need not worry as these are the normal ranges for Hemoglobin and RBC respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of Hemoglobin : 13 - 17 g/dL

Ideal values of Hemoglobin depending on age :

Age	Ideal Hemoglobin value
<5 years	13.663
5-10 years	14.36
10-15 years	15.092
15-20 years	15.862
20-25 years	16.671
25-30 years	16.627
30-35 years	16.584
35-40 years	16.541
40-45 years	16.498
45-50 years	16.455
50-55 years	16.412
55-60 years	16.369
60-70 years	16.327
70-80 years	16.285
80-90 years	16.243
90-100 years	16.2
>100 years	16.158

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

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

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Hemoglobin treatment - Click to read 10 GOLDEN ARTICLES on Anemia

If you want your blood test report to be interpreted by Hemoglobin specialist, you can upload your report. Our Hemoglobin 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 RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.73
5-10 years	4.971
10-15 years	5.225
15-20 years	5.491
20-25 years	5.477
25-30 years	5.462
30-35 years	5.448
35-40 years	5.434
40-45 years	5.42
45-50 years	5.406
50-55 years	5.392
55-60 years	5.378
60-70 years	5.364
70-80 years	5.35
80-90 years	5.336
90-100 years	5.322
>100 years	5.308

High Hemoglobin and low RBC can be caused by a lot of reasons. If you take Hemoglobin and RBC blood tests and the results are higher than 17 g/dL for Hemoglobin and lower than 4.5 mil/uL for RBC, 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.

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How the Hemoglobin and RBC Tests Are Done :

If your doctor wants Hemoglobin and RBC tests on you, you may need to go through these tests. During the Hemoglobin and RBC 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 Hemoglobin and RBC Test reports by your pathologist.