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A 40-year-old member asked:

what causes an elevated bun/creatinine ratio on your lab results?

1 doctor answer1 doctor weighed in
Dr. Leto Quarles
Family Medicine 23 years experience
Dehydration: Is most common cause of high BUN with normal creatinine (therefore high ratio). Other causes can be high protein load in the diet, muscle injury or muscle breakdown (bun is formed by the breakdown of proteins). Whether to worry depends on how high the BUN is, and the circumstances when the test was drawn. Talk to the doctor who ordered the test for personalized interpretation.

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Similar questions

A 31-year-old member asked:

Are there lab tests to diagnose prostatitis?

2 doctor answers2 doctors weighed in
Dr. Chris Kyle
Urology 18 years experience
Somewhat: There's no *absolute* test, but the diagnosis is supported by an abnormal urinalysis, irritative urinary symptoms, and a rectal exam with a tender prostate.
A 49-year-old member asked:

Is it possible to have lupus without specific markers in your lab work?

2 doctor answers8 doctors weighed in
Dr. Michael Laccheo
Dr. Michael Laccheoanswered
Rheumatology 15 years experience
Unlikely: That would be extremely unusual. Close to impossible.
Dr. Angus Worthing
Internal Medicine 18 years experience
The main screening test, called "ANA" or anti-nuclear antibody, is positive in 95+ percent of lupus cases, but recently labs have tried cheaper versions ("ELISA") which may miss more cases than prior tests. Ask your doctor for advice on this.
Jan 22, 2012
A 36-year-old member asked:

What does low amylase in lab results tell you?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Nothing: "low" amylase levels do not have specific pathological significance.
A 31-year-old female asked:

What is the cpt code for creatinine blood?

1 doctor answer2 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
Probably 82565: The cpt code for serum creatinine is probably 82565. Cpt codes are just numbers for billing insurance companies, and have no helpful effects on one's health.
A 41-year-old member asked:

What are the five lab test numbers I must know about my health?

1 doctor answer1 doctor weighed in
Dr. Ed Friedlander
Pathology 44 years experience
Huh?: If this is a school assignment, please have a talk with your teacher's supervisor. If you are healthy and your physician has reviewed your routine labs (complete blood count, chemical profile including LDL and HDL cholesterol, and urinalysis) and isn't concerned, there is no reason whatsoever for you to know any of the exact values.

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Last updated Oct 23, 2019

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