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

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

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

Normal Prothrombin time range : 12 - 16 seconds

Age-wise ideal Prothrombin time level in blood:

Age	Ideal Prothrombin time value
<5 years	12.162
5-10 years	12.326
10-15 years	12.492
15-20 years	12.661
20-25 years	12.832
25-30 years	13.005
30-35 years	13.181
35-40 years	13.359
40-45 years	13.539
45-50 years	13.722
50-55 years	13.907
55-60 years	14.095
60-70 years	14.285
70-80 years	14.478
80-90 years	14.673
90-100 years	14.871
>100 years	15.072

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

If you want your blood test report to be interpreted by Prothrombin time specialist, then you can upload your report. Our Prothrombin time 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 Prothrombin time levels include:

• Liver disease
• Vitamin K abnormality
• Hemophilia A and hemophilia B
• Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
• Willebrand disease

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

Age-wise ideal FT4 thyroid level in blood:

Age	Ideal FT4 thyroid value
<5 years	0.90202
5-10 years	0.9142
10-15 years	0.92654
15-20 years	0.93905
20-25 years	0.95173
25-30 years	0.96458
30-35 years	0.9776
35-40 years	0.9908
40-45 years	1.00418
45-50 years	1.01774
50-55 years	1.03148
55-60 years	1.0454
60-70 years	1.05951
70-80 years	1.07381
80-90 years	1.08831
90-100 years	1.103
>100 years	1.11789

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