What causes high TIBC and low RBC?

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

If your TIBC is in between 250 mcg/dL and 450 mcg/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 TIBC and RBC 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 TIBC levels include:

• Iron deficiency
• Iron poisoning
• Inflammation
• Chronic liver disease
• Hemochromatosis

TIBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of TIBC : 250 - 450 mcg/dL

Ideal values of TIBC depending on age :

Age	Ideal TIBC value
<5 years	254.253
5-10 years	258.578
10-15 years	262.976
15-20 years	267.449
20-25 years	271.998
25-30 years	276.625
30-35 years	281.33
35-40 years	286.115
40-45 years	290.982
45-50 years	295.932
50-55 years	300.966
55-60 years	306.085
60-70 years	311.292
70-80 years	316.587
80-90 years	321.972
90-100 years	327.449
>100 years	333.019

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

Normal range of RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.577
5-10 years	4.655
10-15 years	4.734
15-20 years	4.815
20-25 years	4.897
25-30 years	4.98
30-35 years	5.065
35-40 years	5.151
40-45 years	5.239
45-50 years	5.328
50-55 years	5.419
55-60 years	5.417
60-70 years	5.415
70-80 years	5.413
80-90 years	5.411
90-100 years	5.409
>100 years	5.407

High TIBC and low RBC can be caused by a lot of reasons. If you take TIBC and RBC blood tests and the results are higher than 450 mcg/dL for TIBC 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 TIBC and RBC Tests Are Done :

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

Medical References

• Cleveland Clinic – TIBC (Total Iron-Binding Capacity) Test
• WebMD – What to Know About Total Iron-Binding Capacity (TIBC) Test
• MedlinePlus – Total iron binding capacity