Blood urea nitrogen test measures the amount of urea nitrogen that’s in your blood. High blood urea nitrogen can be caused by many triggers. However, the chronic blood urea nitrogen usually is an indicator of damages on kidney or liver.
What is blood urea?
In protein metabolism, urea is formed in the liver as the end product. Protein is broken down to amino acids during digestion. Urea is transported to the kidneys for excretion.
What is the normal range of blood urea nitrogen?
A normal range for blood urea nitrogen is generally 8 to 24 mg/dL for adult men (2.86 to 8.57 mmol/L) and 6 to 21 mg/dL (2.14 to 7.50 mmol/L) for adult women. However, urea nitrogen levels vary by age. Infants have lower levels than other people do.
What does high blood urea nitrogen 9.3 mean?
High blood urine nitrogen can be caused by many triggers:
- Too much protein breakdown like in starvation
- very high protein intake
- Decrease in the blood volume like shock, burns and dehydration
- Drugs used in gout, infections, epilepsy, blood pressure, pain relief etc.
- bleeding in the gut
- heart attack
However, in most cases, if you suffer from high blood urea nitrogen for long time, it usually indicates kidney damages and liver damages, such as glomerulonephritis, liver failure and urinary tract obstruction etc.
Blood urea nitrogen 9.3 is higher than the normal range. It indicates some healthy problem, but as there is no other details of your conditions. It hardly to find the cause. You are suggested to talk with your doctors and make further test for final diagnosis.
However, if you still suffer from high creatinine levels, it is more likely to indicate the Kidney Disease.