However, how to lower BUN and creatinine level naturally? Both BUN and creatinine are metabolic waste products, and the healthy kidneys keep them range at a normal level. If kidneys canât play their job optimally, excess creatinine and blood urea nitrogen will build up in the body. Clinically, 5.0mg/dl of creatinine and 60mg/dl of BUN are two indicators of renal failure.
Your provider may also check your TSH level if you are planning to get pregnant. Normal values range from 0.4 to 4.0 milli-international units per liter (mIU/L). 1  TSH values can vary during the day. It is best to have the test early in the morning.  Experts do not fully agree on what the upper number should be. Opinions vary from 2.5 to 4.0 mIU/L.
if the tsh level is less than 0 3 the condition can be diagnosed as an overactive thyroid or hyperthyroid if the tsh level is above 3 then the condition is referred to underactive thyroid or hypothyroid the normal range for total t4 or total thyroxine is around 4 5 to 12 5he commonly preferred range of thyroid stimulating hormone tsh at most labs can be from 0 5 to 5 5 however some experts follow the recently updated reference range of 0 3 to 3 0