Serum Urea Level High. According to Andy Stein in Kidney Failure Explained normal blood urea levels are from 26 to 66mmoll. Urea nitrogen levels tend to increase with age.
High serum urea level indicates that the kidney is not working properly leading to impaired kidney function and decreased urinary urea excretion leading to increased serum urea level. REDUCE PROTEIN INTAKE IN DIET. Elevations in serum urea in adults.
Dehydration resulting from not drinking enough fluids or for other reasons.
The normal range of urea nitrogen in blood or serum is 5 to 20 mgdl or 18 to 71 mmol urea per liter. High urea levels can be caused by serious health conditions and diseases. Blood urea is relatively more elevated than serum creatinine could fit dehydration eg. The target level for dialysis is to get this down to less than 25mmoll.
