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

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

High levels of RDW SD and MCHC in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the MCHC level is between 31.5 fL to 34.5 g/dL, then your body does not have any underlying health problems. But if RDW SD and MCHC 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	39.705
5-10 years	40.422
10-15 years	41.152
15-20 years	41.896
20-25 years	42.653
25-30 years	43.424
30-35 years	44.209
35-40 years	45.008
40-45 years	45.821
45-50 years	45.806
50-55 years	45.791
55-60 years	45.776
60-70 years	45.761
70-80 years	45.746
80-90 years	45.731
90-100 years	45.716
>100 years	45.701

*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 MCHC range : 31.5 - 34.5 g/dL

Age-wise ideal MCHC level in blood:

Age	Ideal MCHC value
<5 years	32.069
5-10 years	32.648
10-15 years	33.238
15-20 years	33.839
20-25 years	34.45
25-30 years	34.439
30-35 years	34.427
35-40 years	34.416
40-45 years	34.405
45-50 years	34.394
50-55 years	34.382
55-60 years	34.37
60-70 years	34.359
70-80 years	34.348
80-90 years	34.337
90-100 years	34.325
>100 years	34.314

High RDW SD and MCHC 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 34.5 g/dL for MCHC, 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 MCHC test. In most hospitals RDW SD and MCHC 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.