What causes high RDW and low GGT?

High RDW and low GGT can be caused by many reasons.

If your RDW is in between 11.6 % and 14 % and your GGT is in between 15 U/L and 85 U/L then you need not worry as these are the normal ranges for RDW and GGT 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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.866
5-10 years	12.138
10-15 years	12.416
15-20 years	12.7
20-25 years	12.991
25-30 years	13.288
30-35 years	13.592
35-40 years	13.903
40-45 years	13.895
45-50 years	13.888
50-55 years	13.881
55-60 years	13.874
60-70 years	13.867
70-80 years	13.86
80-90 years	13.852
90-100 years	13.845
>100 years	13.838

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

If you want your blood test report to be interpreted by RDW specialist, then you can upload your report. Our RDW 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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Some examples of conditions that increase or decrease RDW levels include:

• Crohn's disease
• Chronic liver disease
• Thalassemia, an inherited blood disorder
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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 GGT : 15 - 85 U/L

Ideal values of GGT depending on age :

Age	Ideal GGT value
<5 years	15.344
5-10 years	15.695
10-15 years	16.054
15-20 years	16.422
20-25 years	16.798
25-30 years	17.183
30-35 years	17.576
35-40 years	17.978
40-45 years	18.39
45-50 years	18.811
50-55 years	19.242
55-60 years	19.683
60-70 years	20.134
70-80 years	20.595
80-90 years	21.067
90-100 years	21.549
>100 years	22.042

High RDW and low GGT can be caused by a lot of reasons. If you take RDW and GGT blood tests and the results are higher than 14 % for RDW and lower than 15 U/L for GGT, 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 RDW and GGT Tests Are Done :

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

Medical References

• Cleveland Clinic – RDW Blood Test: What It Is, Procedure & Results
• MedlinePlus – RDW (Red Cell Distribution Width)
• NIH – High red blood cell distribution width is closely associated with risk of carotid artery atherosclerosis