What causes high GGT and low RDW SD?

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

If your GGT is in between 15 U/L and 85 U/L and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for GGT 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.

Normal range of GGT : 15 - 85 U/L

Ideal values of GGT depending on age :

Age	Ideal GGT value
<5 years	15.266
5-10 years	15.536
10-15 years	15.811
15-20 years	16.091
20-25 years	16.376
25-30 years	16.666
30-35 years	16.961
35-40 years	17.261
40-45 years	17.567
45-50 years	17.878
50-55 years	18.194
55-60 years	18.516
60-70 years	18.844
70-80 years	19.178
80-90 years	19.517
90-100 years	19.862
>100 years	20.214

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

If you want your blood test report to be interpreted by GGT specialist, then you can upload your report. Our GGT 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 GGT levels include:

• Blockage of the bile ducts.
• Cardiovascular disease
• Liver diseases
• Alcohol abuse
• Congestive heart failure

If you want your blood test report to be interpreted by GGT specialist, you can upload your report. Our GGT 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

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.69
5-10 years	40.393
10-15 years	41.108
15-20 years	41.836
20-25 years	42.576
25-30 years	43.33
30-35 years	44.097
35-40 years	44.878
40-45 years	45.672
45-50 years	45.657
50-55 years	45.643
55-60 years	45.629
60-70 years	45.615
70-80 years	45.6
80-90 years	45.586
90-100 years	45.572
>100 years	45.558

High GGT and low RDW SD can be caused by a lot of reasons. If you take GGT and RDW SD blood tests and the results are higher than 85 U/L for GGT 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.

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How the GGT and RDW SD Tests Are Done :

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

Medical References

• MedlinePlus – Gamma-glutamyl Transferase (GGT) Test
• Cleveland Clinic – Gamma-Glutamyl Transferase (GGT) Test: What It Is & Results
• WebMD – Gamma-Glutamyl Transpeptidase (GGT) Test