What causes high RBC and low TSH 3?

High RBC and low TSH 3 can be caused by many reasons.

If your RBC is in between 4.5 mil/uL and 5.5 mil/uL and your TSH 3 is in between 0.55 uIU/mL and 4.78 uIU/mL then you need not worry as these are the normal ranges for RBC and TSH 3 respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can 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

RBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.865
5-10 years	5.259
10-15 years	5.225
15-20 years	5.191
20-25 years	5.157
25-30 years	5.123
30-35 years	5.089
35-40 years	5.055
40-45 years	5.464
45-50 years	5.429
50-55 years	5.394
55-60 years	5.359
60-70 years	5.324
70-80 years	5.289
80-90 years	5.254
90-100 years	5.22
>100 years	5.186

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

Normal range of TSH 3 : 0.55 - 4.78 uIU/mL

Ideal values of TSH 3 depending on age :

Age	Ideal TSH 3 value
<5 years	0.595
5-10 years	0.643
10-15 years	0.695
15-20 years	0.751
20-25 years	0.812
25-30 years	0.878
30-35 years	0.949
35-40 years	1.026
40-45 years	1.109
45-50 years	1.199
50-55 years	1.296
55-60 years	1.401
60-70 years	1.514
70-80 years	1.637
80-90 years	1.77
90-100 years	1.913
>100 years	2.068

High RBC and low TSH 3 can be caused by a lot of reasons. If you take RBC and TSH 3 blood tests and the results are higher than 5.5 mil/uL for RBC and lower than 0.55 uIU/mL for TSH 3, 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 RBC and TSH 3 Tests Are Done :

If your doctor wants RBC and TSH 3 tests on you, you may need to go through these tests. During the RBC and TSH 3 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 TSH 3 Test reports by your pathologist.

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