What causes high Packed cell volume and low FT4 thyroid?

High Packed cell volume and low FT4 thyroid can be caused by many reasons.

If your Packed cell volume is in between 41 % and 49.5 % and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for Packed cell volume and FT4 thyroid respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease Packed cell volume levels include:

• Damage to the bone marrow
• Kidney failure
• Chronic inflammatory diseases
• Excessive destruction of red blood cells
• Congenital heart disease

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Normal range of Packed cell volume : 41 - 49.5 %

Ideal values of Packed cell volume depending on age :

Age	Ideal Packed cell volume value
<5 years	41.431
5-10 years	41.866
10-15 years	42.306
15-20 years	42.75
20-25 years	43.199
25-30 years	43.653
30-35 years	44.111
35-40 years	44.574
40-45 years	45.042
45-50 years	45.515
50-55 years	45.993
55-60 years	46.476
60-70 years	46.964
70-80 years	47.457
80-90 years	47.955
90-100 years	48.459
>100 years	48.968

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

Normal range of FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.89935
5-10 years	0.90879
10-15 years	0.91833
15-20 years	0.92797
20-25 years	0.93771
25-30 years	0.94756
30-35 years	0.95751
35-40 years	0.96756
40-45 years	0.97772
45-50 years	0.98799
50-55 years	0.99836
55-60 years	1.00884
60-70 years	1.01943
70-80 years	1.03013
80-90 years	1.04095
90-100 years	1.05188
>100 years	1.06292

High Packed cell volume and low FT4 thyroid can be caused by a lot of reasons. If you take Packed cell volume and FT4 thyroid blood tests and the results are higher than 49.5 % for Packed cell volume and lower than 0.89 ng/dL for FT4 thyroid, 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 Packed cell volume and FT4 thyroid Tests Are Done :

If your doctor wants Packed cell volume and FT4 thyroid tests on you, you may need to go through these tests. During the Packed cell volume and FT4 thyroid 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 Packed cell volume and FT4 thyroid Test reports by your pathologist.