What causes high Platelet count and low FT4 thyroid?

High Platelet count and low FT4 thyroid can be caused by many reasons.

If your Platelet count is in between 150 thou/uL and 450 thou/uL 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 Platelet count 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.

Normal range of Platelet count : 150 - 450 thou/uL

Ideal values of Platelet count depending on age :

Age	Ideal Platelet count value
<5 years	152.625
5-10 years	155.296
10-15 years	158.014
15-20 years	160.779
20-25 years	163.593
25-30 years	166.456
30-35 years	169.369
35-40 years	172.333
40-45 years	175.349
45-50 years	178.418
50-55 years	181.54
55-60 years	184.717
60-70 years	187.95
70-80 years	191.239
80-90 years	194.586
90-100 years	197.991
>100 years	201.456

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

If you want your blood test report to be interpreted by Platelet count specialist, then you can upload your report. Our Platelet count expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

1,37,160

Total number of patients treated

Some examples of conditions that increase or decrease Platelet count levels include:

• Sepsis
• Platelets may be used up quickly in serious conditions, such as disseminated intravascular coagulation
• Bone marrow damage
• Inflammatory bowel disease (IBD)
• Viral infections such as mononucleosis

If you want your blood test report to be interpreted by Platelet count specialist, you can upload your report. Our Platelet count 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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.90558
5-10 years	0.92143
10-15 years	0.93756
15-20 years	0.95397
20-25 years	0.97066
25-30 years	0.98765
30-35 years	1.00493
35-40 years	1.02252
40-45 years	1.04041
45-50 years	1.05862
50-55 years	1.07715
55-60 years	1.096
60-70 years	1.11518
70-80 years	1.1347
80-90 years	1.15456
90-100 years	1.17476
>100 years	1.19532

High Platelet count and low FT4 thyroid can be caused by a lot of reasons. If you take Platelet count and FT4 thyroid blood tests and the results are higher than 450 thou/uL for Platelet count 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 Platelet count and FT4 thyroid Tests Are Done :

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