What does high BUN and Prothrombin time mean in blood test?

High BUN and Prothrombin time can be caused by numerous problems.

High levels of BUN and Prothrombin time in the blood indicate a variety of health problems. If your blood BUN level is between 6 mg/dL to 20 mg/dL and the Prothrombin time level is between 12 mg/dL to 16 seconds, then your body does not have any underlying health problems. But if BUN and Prothrombin time levels exceed these levels, you should see a doctor immediately.

Normal BUN range : 6 - 20 mg/dL

Age-wise ideal BUN level in blood:

Age	Ideal BUN value
<5 years	6.082
5-10 years	6.165
10-15 years	6.249
15-20 years	6.334
20-25 years	6.421
25-30 years	6.509
30-35 years	6.598
35-40 years	6.688
40-45 years	6.779
45-50 years	6.872
50-55 years	6.966
55-60 years	7.061
60-70 years	7.158
70-80 years	7.256
80-90 years	7.355
90-100 years	7.456
>100 years	7.558

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

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Normal Prothrombin time range : 12 - 16 seconds

Age-wise ideal Prothrombin time level in blood:

Age	Ideal Prothrombin time value
<5 years	12.164
5-10 years	12.33
10-15 years	12.499
15-20 years	12.67
20-25 years	12.843
25-30 years	13.019
30-35 years	13.197
35-40 years	13.378
40-45 years	13.561
45-50 years	13.747
50-55 years	13.935
55-60 years	14.126
60-70 years	14.319
70-80 years	14.515
80-90 years	14.714
90-100 years	14.915
>100 years	15.119

High BUN 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 20 mg/dL for BUN 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 BUN and Prothrombin time test. In most hospitals BUN 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.