What causes high BUN Creatinine ratio and low APTT?

High BUN Creatinine ratio and low APTT can be caused by many reasons.

If your BUN Creatinine ratio is in between 5 Ratio and 15 Ratio and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for BUN Creatinine ratio and APTT 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 BUN Creatinine ratio : 5 - 15 Ratio

Ideal values of BUN Creatinine ratio depending on age :

Age	Ideal BUN Creatinine ratio value
<5 years	5.28
5-10 years	5.576
10-15 years	5.888
15-20 years	6.218
20-25 years	6.566
25-30 years	6.934
30-35 years	7.322
35-40 years	7.732
40-45 years	8.165
45-50 years	8.622
50-55 years	9.105
55-60 years	9.615
60-70 years	10.153
70-80 years	10.722
80-90 years	11.322
90-100 years	11.956
>100 years	12.626

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

If you want your blood test report to be interpreted by BUN Creatinine ratio specialist, then you can upload your report. Our BUN Creatinine ratio 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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Some examples of conditions that increase or decrease BUN Creatinine ratio levels include:

• Kidney failure
• Decreased blood flow to the kidneys
• Dehydration
• Conditions that can block the flow of urine
• Congestive heart failure

If you want your blood test report to be interpreted by BUN Creatinine ratio specialist, you can upload your report. Our BUN Creatinine ratio 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 APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	23.232
5-10 years	24.533
10-15 years	25.907
15-20 years	27.358
20-25 years	28.89
25-30 years	30.508
30-35 years	32.216
35-40 years	34.02
40-45 years	33.913
45-50 years	33.807
50-55 years	33.701
55-60 years	33.595
60-70 years	33.489
70-80 years	33.384
80-90 years	33.28
90-100 years	33.176
>100 years	33.072

High BUN Creatinine ratio and low APTT can be caused by a lot of reasons. If you take BUN Creatinine ratio and APTT blood tests and the results are higher than 15 Ratio for BUN Creatinine ratio and lower than 22 seconds for APTT, 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 BUN Creatinine ratio and APTT Tests Are Done :

If your doctor wants BUN Creatinine ratio and APTT tests on you, you may need to go through these tests. During the BUN Creatinine ratio and APTT 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 BUN Creatinine ratio and APTT Test reports by your pathologist.