What causes high BUN Creatinine ratio and low FT4 thyroid?

High BUN Creatinine ratio and low FT4 thyroid can be caused by many reasons.

If your BUN Creatinine ratio is in between 5 Ratio and 15 Ratio and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for BUN Creatinine ratio and FT4 thyroid 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	5.275
5-10 years	5.565
10-15 years	5.871
15-20 years	6.194
20-25 years	6.535
25-30 years	6.894
30-35 years	7.273
35-40 years	7.673
40-45 years	8.095
45-50 years	8.54
50-55 years	9.01
55-60 years	9.506
60-70 years	10.029
70-80 years	10.581
80-90 years	11.163
90-100 years	11.777
>100 years	12.425

*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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.93895
5-10 years	0.99059
10-15 years	1.04507
15-20 years	1.10255
20-25 years	1.16319
25-30 years	1.22717
30-35 years	1.29466
35-40 years	1.36587
40-45 years	1.44099
45-50 years	1.52024
50-55 years	1.60385
55-60 years	1.69206
60-70 years	1.68694
70-80 years	1.68184
80-90 years	1.67675
90-100 years	1.67168
>100 years	1.66662

High BUN Creatinine ratio and low FT4 thyroid can be caused by a lot of reasons. If you take BUN Creatinine ratio and FT4 thyroid blood tests and the results are higher than 15 Ratio for BUN Creatinine ratio and lower than 0.89 ng/dL for FT4 thyroid, 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 FT4 thyroid Tests Are Done :

If your doctor wants BUN Creatinine ratio and FT4 thyroid tests on you, you may need to go through these tests. During the BUN Creatinine ratio and FT4 thyroid 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 FT4 thyroid Test reports by your pathologist.