Oct 30, 2023 · The normal range for a BUN test depends on your age and sex, or the one you were assigned at birth. Normal BUN levels. Your result will be a number that measures how much BUN is in your blood. The...

Aug 5, 2023 · Results of the BUN test are measured in milligrams per deciliter (mg/dL) in the United States and in millimoles per liter (mmol/L) internationally. In general, around 6 to 24 mg/dL (2.1 to 8.5 mmol/L ) is considered normal.

What is a normal blood urea nitrogen level? A normal blood urea nitrogen level varies according to your age and sex. Children between 1 and 17 years. Between 7 and 20 mg/dL. Adult females. Between 6 and 21 mg/dL.

The normal range of blood urea nitrogen (BUN) is between 7 and 20 mg/dL or 2.5 and 7.1 mmol/L. There may be slight variations between labs. A decline in kidney function can cause an increase in BUN levels. There is no definite value of BUN that would diagnose kidney failure.

2 days ago · What Are Normal BUN Levels? The range of normal levels of blood urea nitrogen is between 7 and 22 mg/dL. A result greater than 50 mg/dL indicates an underlying medical problem.

Jun 6, 2024 · In general, about 7 - 20 mg/dL is a normal level. A higher than normal BUN level may be a sign that your kidneys are not working well. Your doctor will compare your BUN results along with other test results, such as creatinine and eGFR (estimated glomerular filtration rate), to decide on next steps.

Apr 27, 2020 · What is the normal BUN level in the blood? BUN normal ranges are age-related. Adults: 18 to 30 years old: 9 - 20 mg/dl 30 to 40 years old: 9 - 21 mg/dl 40 to 50 years old: 9 - 22 mg/dl 50 to 60 years old: 9 - 25 mg/dl 60 to 70 years old: 9 - 28 mg/dl More than 70 years old: 9 - 32 mg/dl. Children: 1 to 17 years old: 5.5 - 20 mg/dL Newborns: 3 ...

Normal BUN levels usually range from 6 to 24 mg/dL. However, levels can fluctuate, and there is not a one-size-fits-all “normal range.” The normal bun level deemed standard can change because of many reasons. Things that cause high levels: Dehydration; High-protein diets;

Mar 24, 2025 · BUN level results are measured in milligrams per deciliter (mg/dL) or millimoles per liter (mmol/L). The normal range for BUN levels is about 6 to 20 mg/dL or 2.1 to 7.1 mmol/L. Any amount over that usually means a patient is dehydrated. But normal ranges can vary, depending on a lab’s reference range and the age of the patient being tested.

Normal BUN levels vary between individuals based on several factors, including age, sex, diet, and overall health. Generally, the accepted normal range for adults is approximately 7 to 20 mg/dL. However, this range can differ slightly depending on the laboratory performing the test.