What causes high Prothrombin time and low HDL cholesterol?

High Prothrombin time and low HDL cholesterol can be caused by many reasons.

If your Prothrombin time is in between 12 seconds and 16 seconds and your HDL cholesterol is in between 40 mg/dL and 60 mg/dL then you need not worry as these are the normal ranges for Prothrombin time and HDL cholesterol 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 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

Normal range of Prothrombin time : 12 - 16 seconds

Ideal values of Prothrombin time depending on age :

Age	Ideal Prothrombin time value
<5 years	12.124
5-10 years	12.249
10-15 years	12.376
15-20 years	12.504
20-25 years	12.633
25-30 years	12.764
30-35 years	12.896
35-40 years	13.029
40-45 years	13.164
45-50 years	13.3
50-55 years	13.438
55-60 years	13.577
60-70 years	13.718
70-80 years	13.86
80-90 years	14.003
90-100 years	14.148
>100 years	14.294

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

Normal range of HDL cholesterol : 40 - 60 mg/dL

Ideal values of HDL cholesterol depending on age :

Age	Ideal HDL cholesterol value
<5 years	40.414
5-10 years	40.832
10-15 years	41.255
15-20 years	41.682
20-25 years	42.113
25-30 years	42.549
30-35 years	42.989
35-40 years	43.434
40-45 years	43.884
45-50 years	44.338
50-55 years	44.797
55-60 years	45.261
60-70 years	45.729
70-80 years	46.202
80-90 years	46.68
90-100 years	47.163
>100 years	47.651

High Prothrombin time and low HDL cholesterol can be caused by a lot of reasons. If you take Prothrombin time and HDL cholesterol blood tests and the results are higher than 16 seconds for Prothrombin time and lower than 40 mg/dL for HDL cholesterol, 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 Prothrombin time and HDL cholesterol Tests Are Done :

If your doctor wants Prothrombin time and HDL cholesterol tests on you, you may need to go through these tests. During the Prothrombin time and HDL cholesterol 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 Prothrombin time and HDL cholesterol Test reports by your pathologist.

Medical References

• MedlinePlus – Prothrombin Time Test and INR (PT/INR)
• Mayo Clinic – Prothrombin time test
• Cleveland Clinic – Prothrombin Time (PT/INR) Test