Table of Contents
What is a high BUN creatinine ratio?
High BUN-to-creatinine ratios occur with sudden (acute) kidney problems, which may be caused by shock or severe dehydration. A very high BUN-to-creatinine ratio may be caused by bleeding in the digestive tract or respiratory tract.
What is a normal BUN and creatinine level?
Reference Range:
Analyte | Male | Female |
---|---|---|
BUN, 0-18 Years | 5-18 mg/dL | 5-18 mg/dL |
BUN, ≥19 Years | 8-23 mg/dL | 8-23 mg/dL |
Creatinine, ≤2 Days | 0.79-1.58 mg/dL | 0.79-1.58 mg/dL |
Creatinine, 3-27 Days | 0.35-1.23 mg/dL | 0.35-1.23 mg/dL |
What does BUN creatinine ratio of 30 mean?
The ratio is useful for the diagnosis of bleeding from the gastrointestinal (GI) tract in patients who do not present with overt vomiting of blood. In children, a BUN:Cr ratio of 30 or greater has a sensitivity of 68.8% and a specificity of 98% for upper gastrointestinal bleeding.
Is a BUN creatinine ratio of 26 high?
The BUN/creatinine ratio is a good measurement of kidney and liver function. The normal adult range is 6 to 25, with 15.5 being the optimal value.
Is a BUN creatinine ratio of 15 good?
BUN/Creatinine Ratio Normal Range The normal range for BUN/Creatinine ratio is anywhere between 5 – 20 mg/dL. BUN/Creatinine ratio increases with age, and with decreasing muscle mass [6].
What is a normal BUN level?
In general, around 6 to 24 mg/dL (2.1 to 8.5 mmol/L ) is considered normal. But normal ranges may vary, depending on the reference range used by the lab and your age. Ask your doctor to explain your results. Urea nitrogen levels tend to increase with age.
Is 25 high for BUN creatinine ratio?
Is a BUN of 28 bad?
General reference ranges for a normal BUN level are as follows: Adults up to 60 years of age: 6-20 mg/dL. Adults over 60 years of age: 8-23 mg/dL.
How do I lower my bun creatinine ratio?
Here are 8 ways to naturally lower your creatinine levels.
- Don’t take supplements containing creatine.
- Reduce your protein intake.
- Eat more fiber.
- Talk with your healthcare provider about how much fluid you should drink.
- Lower your salt intake.
- Avoid overusing NSAIDs.
- Avoid smoking.
- Limit your alcohol intake.
What causes elevated BUN levels?
The following factors can lead to elevated BUN levels: kidney damage, failure, or disease. dehydration. shock. urinary tract blockages or disease. gastrointestinal bleeding. heart attack. heart failure.
What medications increase BUN?
Other drugs, such as certain antibiotics and diuretics, may increase your BUN levels. Commonly prescribed medications that may raise your BUN levels include: amphotericin B (AmBisome, Fungizone) carbamazepine (Tegretol) cephalosporins, a group of antibiotics. furosemide (Lasix) methotrexate.
What causes high bun and creatinine levels?
Diabetes or hypertension can be the causes of heightened levels of BUN and creatinine. Even some medications, like antibiotics, anti-inflammatory medicines, and gout medication, affect these levels. High protein diet and heart failure are some other causes.
How do you calculate BUN/creatinine ratio?
The BUN-to-creatinine ratio is a routine lab measurement used by your doctor to assess the function of your kidneys. It is calculated by dividing the serum BUN concentration by the serum creatinine concentration.