What does high FT4 thyroid and Prothrombin time mean in blood test?

High FT4 thyroid and Prothrombin time can be caused by numerous problems.

High levels of FT4 thyroid and Prothrombin time in the blood indicate a variety of health problems. If your blood FT4 thyroid level is between 0.89 ng/dL to 1.76 ng/dL and the Prothrombin time level is between 12 ng/dL to 16 seconds, then your body does not have any underlying health problems. But if FT4 thyroid and Prothrombin time levels exceed these levels, you should see a doctor immediately.

Normal FT4 thyroid range : 0.89 - 1.76 ng/dL

Age-wise ideal FT4 thyroid level in blood:

Age	Ideal FT4 thyroid value
<5 years	0.94945
5-10 years	1.01287
10-15 years	1.08053
15-20 years	1.15271
20-25 years	1.22971
25-30 years	1.31185
30-35 years	1.39948
35-40 years	1.49297
40-45 years	1.5927
45-50 years	1.69909
50-55 years	1.69151
55-60 years	1.68396
60-70 years	1.67645
70-80 years	1.66897
80-90 years	1.66153
90-100 years	1.65412
>100 years	1.64674

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

If you want your blood test report to be interpreted by FT4 thyroid specialist, then you can upload your report. Our FT4 thyroid 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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Total number of patients treated

Some examples of conditions that increase or decrease FT4 thyroid levels include:

• Autoimmune disease
• A non-functioning thyroid gland
• Thyroiditis
• Diabetes
• Liver disease

If you want your blood test report to be interpreted by FT4 thyroid specialist, you can upload your report. Our FT4 thyroid 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 Prothrombin time range : 12 - 16 seconds

Age-wise ideal Prothrombin time level in blood:

Age	Ideal Prothrombin time value
<5 years	12.802
5-10 years	13.657
10-15 years	14.569
15-20 years	15.542
20-25 years	15.472
25-30 years	15.403
30-35 years	15.334
35-40 years	15.265
40-45 years	15.197
45-50 years	15.129
50-55 years	15.062
55-60 years	14.995
60-70 years	15.997
70-80 years	15.926
80-90 years	15.855
90-100 years	15.784
>100 years	15.713

High FT4 thyroid and Prothrombin time 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 1.76 ng/dL for FT4 thyroid and more than 16 seconds for Prothrombin time, 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 FT4 thyroid and Prothrombin time test. In most hospitals FT4 thyroid and Prothrombin time 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.