What causes high INR and low PPBG?

High INR and low PPBG can be caused by many reasons.

If your INR is in between 0.9 ratio and 1.2 ratio and your PPBG is in between 80 mg/dL and 140 mg/dL then you need not worry as these are the normal ranges for INR and PPBG 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 INR levels include:

• Liver disease
• Vitamin K abnormality
• Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
• Hemophilia A and hemophilia B
• Autoantibody against a specific factor (e.g., factor VIII)

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.951
5-10 years	1.005
10-15 years	1.062
15-20 years	1.122
20-25 years	1.186
25-30 years	1.182
30-35 years	1.178
35-40 years	1.174
40-45 years	1.171
45-50 years	1.167
50-55 years	1.163
55-60 years	1.159
60-70 years	1.156
70-80 years	1.153
80-90 years	1.149
90-100 years	1.145
>100 years	1.141

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

Normal range of PPBG : 80 - 140 mg/dL

Ideal values of PPBG depending on age :

Age	Ideal PPBG value
<5 years	84.536
5-10 years	89.329
10-15 years	94.394
15-20 years	99.746
20-25 years	105.402
25-30 years	111.378
30-35 years	117.693
35-40 years	124.366
40-45 years	131.418
45-50 years	138.869
50-55 years	138.423
55-60 years	137.978
60-70 years	137.534
70-80 years	137.092
80-90 years	136.651
90-100 years	136.212
>100 years	135.774

High INR and low PPBG can be caused by a lot of reasons. If you take INR and PPBG blood tests and the results are higher than 1.2 ratio for INR and lower than 80 mg/dL for PPBG, 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 INR and PPBG Tests Are Done :

If your doctor wants INR and PPBG tests on you, you may need to go through these tests. During the INR and PPBG 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 INR and PPBG 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