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Doctor insights on: Bun And Serum Creatinine

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What results in an elevated bun level with a normal serum creatinine?

What results in an elevated bun level with a normal serum creatinine?

See below: An elevated BUN with normal creatinine occurs most commonly in dehydrated individuals and is not a sign of kidney damage.It may also occur in in certain other conditions like bleeding in the intestines, artificial nutrition intravenously of Amino Acids and use of steroids. ...Read more

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Dr. Gregory Moneta
128 doctors shared insights

Serum Creatinine (Definition)

Creatinine is a breakdown product of muscle tissue. In the healthy situation it is cleared by the kidneys. Thus, a rise in creatinine is a sign of ...Read more


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Which etiology results in an elevated bun level with a normal serum creatinine level?

Which etiology results in an elevated bun level with a normal serum creatinine level?

Multiple causes: BUN is a breakdown of ingested protein, but becomes elevated compared to creatine, in cases of increased catabolism (breakdown). Such things as a high protein diet, use of some steroids, some infections, or volume depletion may commonly raise BUN levels. In a hospital setting, tube feeding, tpn, GI bleeding, infections, decreased flow to the kidneys, and use of steroids are frequent contributors. ...Read more

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What does it mean if my BUN is 22, BUN Creatinine 26 and creatinine serum is 0.86 ? I am a 54 yr old woman

What does it mean if my BUN is 22, BUN Creatinine 26 and creatinine serum is 0.86 ? I am a 54 yr old woman

Drink water: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your creatinine is normal. Your BUN is slightly elevated and may be because you were fasting when the blood was drawn and were dehydrated from not drinking water. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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Serum creatinine is 0.96 mg/dL. I am a male. 56 years old and weigh 73.8 kg. Calculated Cockcroft-Gault CrCl is 83.8. Bun is 8 mg/dL. Should I worry?

Serum creatinine is 0.96 mg/dL. I am a male. 56 years old and weigh 73.8 kg. Calculated Cockcroft-Gault CrCl is 83.8. Bun is 8 mg/dL. Should I worry?

Kidney function: Hi, from the report I don;t think there is anything to worry about. Protect your kidneys with keeping your blood pressure within normal range, avoid becoming Diabetic by exercising and keeping your weight down, and you should be fine. ...Read more

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Cr 24/kg is 27.2 (creatinine clearance). Normal is up to 24. Worried about hyperfiltration, not abnormally muscular. 4 months ago serum creatinine was .88 and BUN 12. Weight is 195lbs 22% bodyfat.

Cr 24/kg is 27.2 (creatinine clearance). Normal is up to 24. Worried about hyperfiltration, not abnormally muscular. 4 months ago serum creatinine was .88 and BUN 12. Weight is 195lbs 22% bodyfat.

Hyper-filtration?: I do not understand what you mean by "Cr 24/kg" Perhaps one of the nephrologists at HealthTap does but creatinine clearance is a volume per minute measurement and normal value for a 23 year old white male is 90 to 140ml/min and 110 to 170ml/min in black males. Based on your weight, age, and creatinine your clearance is approximately 163ml/min which is excellent (there's no such thing as too high) ...Read more

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My mother age is 70 years and she is suffering from high serum creatinine(10.02) along with high BUN and Uric Acid.Plz sugest for how to cure.

My mother age is 70 years and she is suffering from high serum creatinine(10.02) along with high BUN and Uric Acid.Plz sugest for how to cure.

Nephrologist: With creatinine in 10 range she has serious kidney disease and needs dialysis soon. In the interim she needs to follow strict dietary protocols and watch certain foods and meds. See a kidney doctor who can get her headed in that direction soon. ...Read more

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Age 65 w/fem. Serum Creatinine 1.02. Bun 8. Ratio 8. Egfr down from 70's to 58. Took Zantac (ranitidine) 150 32 hrs. prior to blood test. No health concerns. CKD?

Age 65 w/fem. Serum Creatinine 1.02.  Bun 8. Ratio 8. Egfr down from 70's to 58. Took Zantac (ranitidine) 150 32 hrs. prior to blood test. No health concerns. CKD?

I don't think so: With a BUN of 8, anybody worried about their kidneys should be very happy. The lack of real science behind the "EGFR" promotion is showcased by the adjustment for race "because black people are more muscular." Many of us in pathology think this is an attempt by Big Pharma to make healthy people think they are sick. I'd be glad for good health. Creatine's fine for your age. Best wishes. ...Read more

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My serum creatinine is 4.0 what it means?

My serum creatinine is 4.0 what it means?

High creatinine : Before i can answer your question, i need to know your height and weight. If you are a tall person with a large amount of muscle mass, it is less serious than if you have less muscle mass. See a nephrologist to take a history to see if you have high BP or diabetes. You also need a renal ultrasound and a 24 hour urine collection to assess your renal function and to see if you have proteinuria. ...Read more

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What are the foods that are to be avoided if elevated serum creatinine?

What are the foods that are to be avoided if elevated serum creatinine?

Proteins: Persons with high creatinine have poor kidney function or even kidney failure. They must limit the amount of protein in the diet. Protein is the ultimate source of creatinine. ...Read more

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Serum (Definition)

Serum is the component of blood that does not contain cells or clotting factors. It does contain electrolytes an ...Read more


Dr. Madhu Kandarpa
2,189 doctors shared insights

Creatinine (Definition)

Creatinine is a byproduct of creatine phosphate, which is present in muscles. Creatinine levels increase if the ...Read more