by Jade Teta on February 13, 2015. BUN, or Blood Urea Nitrogen, is a test performed on the standard chemistry panel your doctor performs. He or she uses it to rule out kidney disease, but it can be abnormal for other reasons.
1. Women usually have lower results on the serum creatinine test because they have a lower muscle mass in their bodies. The average range for women is between 0.6 and 1.1 mg/dL and for men it increases to between 0.7 and 1.3 mg/dL. As with the urine creatinine test, the average results can vary depending on the lab and their specific tests and procedures.
A normal ferritin blood level, referred to as the reference interval is determined by many testing laboratories. The ranges for ferritin can vary between laboratories but are usually between 30â300 ng/mL (=Î¼g/L) for males, and 18â115 ng/mL (=Î¼g/L) for females. normal ferritin blood level, referred to as the reference interval is determined by many testing laboratories. The ranges for ferritin can vary between laboratories but are usually between 30â300 ng/mL (=Î¼g/L) for males, and 18â115 ng/mL (=Î¼g/L) for females.