What causes high BUN and low INR?

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

If your BUN is in between 6 mg/dL and 20 mg/dL and your INR is in between 0.9 ratio and 1.2 ratio then you need not worry as these are the normal ranges for BUN and INR 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 BUN levels include:

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

BUN treatment - Click to read 10 GOLDEN ARTICLES on Kidney health

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.91
5-10 years	0.92
10-15 years	0.93
15-20 years	0.94
20-25 years	0.95
25-30 years	0.96
30-35 years	0.97
35-40 years	0.98
40-45 years	0.991
45-50 years	1.002
50-55 years	1.013
55-60 years	1.024
60-70 years	1.035
70-80 years	1.046
80-90 years	1.057
90-100 years	1.068
>100 years	1.079

High BUN and low INR can be caused by a lot of reasons. If you take BUN and INR blood tests and the results are higher than 20 mg/dL for BUN and lower than 0.9 ratio for INR, 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.

This page has got the maximum number of views from the below mentioned cities (traffic in last 30 days):

Keensburg, Illinois

Kirishima, Kagoshima

L'Étoile, Somme

Kudlago Island

Goalpara

Jatara

Latianwala

Gondreville, Loiret

Kerala

Killingbeck Island

Kingdom of Sedang

Kenny Lake, Alaska

Gurramkonda

Gudaganahatti

Khandashi (village)

Gatteo

Kannathangudi East

Ger, Pyrénées-Atlantiques

Lalacelle

Hovin, Telemark

Holenarasipura

Kotulpur (community development block)

Kyawkku State

Kurtzville, Ontario

Gambyapur

La Bellière, Seine-Maritime

Labastidette

Kambare Andar

Hirschland

Ino, Kōchi

Jawai Dam

Hoskera

Lescar

Koshimizu, Hokkaido

Geography of Atlanta

Hilltop, Columbus, Ohio

Konada

Les Baux-Sainte-Croix

Gorkhaland Territorial Administration

Khirbat Qumbaza

Le Mesnilbus

Le Mesnil-Amey

Kuppalli

Houx

Laozhaozhuang

Keeseekoowenin Ojibway First Nation

Grande-Île (Normandy)

Khaniyadhana

Kolar district

Kodad mandal

How the BUN and INR Tests Are Done :

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

Medical References

• Mayo Clinic – Blood urea nitrogen (BUN) test
• MedlinePlus – BUN (Blood Urea Nitrogen)
• Cleveland Clinic – Blood Urea Nitrogen (BUN): Testing, Levels & Indication