What causes high Ferritin and low Cystatin c?

High Ferritin and low Cystatin c can be caused by many reasons.

If your Ferritin is in between 22 ng/mL and 322 ng/mL and your Cystatin c is in between 0.62 mg/L and 1.03 mg/L then you need not worry as these are the normal ranges for Ferritin and Cystatin c 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 Ferritin : 22 - 322 ng/mL

Ideal values of Ferritin depending on age :

Age	Ideal Ferritin value
<5 years	22.387
5-10 years	22.781
10-15 years	23.182
15-20 years	23.59
20-25 years	24.005
25-30 years	24.427
30-35 years	24.857
35-40 years	25.294
40-45 years	25.739
45-50 years	26.192
50-55 years	26.653
55-60 years	27.122
60-70 years	27.599
70-80 years	28.084
80-90 years	28.578
90-100 years	29.081
>100 years	29.593

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

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Some examples of conditions that increase or decrease Ferritin levels include:

• Iron overload or iron poisoning
• Adult Still's disease
• Liver disease
• Iron deficiency anemia
• Hemachromatosis

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Normal range of Cystatin c : 0.62 - 1.03 mg/L

Ideal values of Cystatin c depending on age :

Age	Ideal Cystatin c value
<5 years	0.631
5-10 years	0.642
10-15 years	0.653
15-20 years	0.664
20-25 years	0.676
25-30 years	0.688
30-35 years	0.7
35-40 years	0.712
40-45 years	0.725
45-50 years	0.738
50-55 years	0.751
55-60 years	0.764
60-70 years	0.777
70-80 years	0.791
80-90 years	0.805
90-100 years	0.819
>100 years	0.833

High Ferritin and low Cystatin c can be caused by a lot of reasons. If you take Ferritin and Cystatin c blood tests and the results are higher than 322 ng/mL for Ferritin and lower than 0.62 mg/L for Cystatin c, 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 Ferritin and Cystatin c Tests Are Done :

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