What does high RDW SD and GGT mean in blood test?

High RDW SD and GGT can be caused by numerous problems.

High levels of RDW SD and GGT in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the GGT level is between 15 fL to 85 U/L, then your body does not have any underlying health problems. But if RDW SD and GGT levels exceed these levels, you should see a doctor immediately.

Normal RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	39.713
5-10 years	40.439
10-15 years	41.179
15-20 years	41.932
20-25 years	42.699
25-30 years	43.48
30-35 years	44.275
35-40 years	45.085
40-45 years	45.91
45-50 years	45.895
50-55 years	45.879
55-60 years	45.864
60-70 years	45.849
70-80 years	45.834
80-90 years	45.818
90-100 years	45.803
>100 years	45.788

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

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

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

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

Age-wise ideal GGT level in blood:

Age	Ideal GGT value
<5 years	15.274
5-10 years	15.553
10-15 years	15.837
15-20 years	16.127
20-25 years	16.422
25-30 years	16.722
30-35 years	17.028
35-40 years	17.339
40-45 years	17.656
45-50 years	17.979
50-55 years	18.308
55-60 years	18.643
60-70 years	18.984
70-80 years	19.331
80-90 years	19.685
90-100 years	20.045
>100 years	20.412

High RDW SD and GGT levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 46 fL for RDW SD and more than 85 U/L for GGT, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a RDW SD and GGT test. In most hospitals RDW SD and GGT results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.