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Doctor insights on: Blood Test For Kidney Function

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Does a blood test for renal function need fasting beforehand?

Does a blood test for renal function need fasting beforehand?

Kidney blood test: No, if you are checking for creatinine and BUN levels, you do not to be fasting before your blood sample is taken. ...Read more

Kidney (Definition)

The kidneys are paired organs that lie on either side of the vertebral column. Part of their critical functions include the excretion of urine and removal of nitrogenous wastes products from the blood. They regulate acid-base, electrolyte, fluid balance and blood pressure. Through hormonal signals, the kidneys control the ...Read more


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Urine test protein 2+ for the past 2 visits. Blood test creatinine etc kidney function is ok. What causes protein in urine?

Urine test protein 2+ for the past 2 visits. Blood test creatinine etc kidney function is ok. What causes protein in urine?

Several causes: Your physician would do well to rule out orthostatic protenuria, the most common cause and utterly harmless. It's ruled out, then begin a workup. There are a host of causes. ...Read more

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In the kidney function blood test can THC show up?

See below: Usually it is a urine test. One would have to specifically test for thc...It is not part of the kidney function panel. ...Read more

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Which test is more telling for kidney issues in pregnancy: blood work or urine test for protein?

Which test is more telling for kidney issues in pregnancy: blood work or urine test for protein?

Both: Toxemia of pregnancy may be revealed by protein in the urine along with other signs and symptoms such as elevated blood pressure, significant edema, blurred vision, abdominal pain. Blood work assists in the diagnosis and prognosis. ...Read more

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What blood test checks for pancreatic enzymes?

What blood test checks for pancreatic enzymes?

Amylase & lipase: These check for the enzymes to see if they're being released into the blood when somebody has an upper abdominal emergency. If you're concerned you haven't got enough pancreatic enzymes, a stool assay for pancreatic elastase might be more helpful. ...Read more

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Can a renal function lab test detect if a kidney stone is developing?

Can a renal function lab test detect if a kidney stone is developing?

No: There is no specific lab test that detects kidney stones. Only imaging of the kidneys can definitely detect if you have a kidney stone. The renal function test and urine test can help determine the cause of the kidney stones. Once knowing the origin, you can be placed on a specific diet or medicine to prevent the stones from re-appearing. ...Read more

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Does blood test for thyroid function show hormone irregularities?

Only thyroid: If the only hormone measured was thyroid, then that is the only hormone abnormality that would be detected. ...Read more

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Would blood tests for gloucose and thyroid reveal liver ussues?

Would blood tests for gloucose and thyroid reveal liver ussues?

No: There are specific tests for liver function and those are different from glucose and thyroid function tests. ...Read more

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Thick blood , high inflammation levels abnormal liver function in all 3 blood tests, test back pos for blood clot on lung after dye test, back neg?

Thick blood , high inflammation levels  abnormal liver function in all 3 blood tests, test  back pos for blood clot on lung after dye test, back neg?

This is serious: I trust the dye test was a pulmonary angiogram that demonstrated a pulmonary thromboembolus, and it has also been determined that you have hypercoagulable blood. This is a major problem that will require work with your primary care physician and probably long-term medical management -- more than healthtap can do. Hope you do not smoke. The "inflammation" & liver labs need to be addressed in time. ...Read more

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Is there a blood test for adrenal function?

Is there a blood test for adrenal function?

Yes: There are blood and urine tests for different adrenal functions.talk to your dr about them. ...Read more

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Can someone have normal blood test and urine test and still have kidney issues ?

Can someone have normal blood test and urine test and still have kidney issues ?

Rarely: although it is uncommon one can have her reduced level of kidney function with normal blood and urine test. This is most common in older patients with decreased muscle mass and also with people of small stature or small frame. Their kidney function is better assessed by doing a 24 hour urine collection protein and creatinine clearance. Imaging test are also useful such as kidney ultrasound ...Read more

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What does satisfactory blood test result mean? Full blood count, bone profile and kidney

What does satisfactory blood test result mean? Full blood count, bone profile and kidney

Lab results: Lab 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. Depending on the test, a normal value may rule out disease but other normal results do not necessarily mean lack of disease. It would be useful to have the actual results. ...Read more

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26 f, microscopic hematuria detected inconsistently in urine tests. Blood tests show kidney function is fine. Should i be worried/see a urologist?

Constant hematuria: If you have no urinary tract infection, you need go to a urologist to assess your urinary tract. You will need a renal ultrasound and probably an intravenous pyelogram to see if there are any problems with your kidneys. If these studies show no problem, you will need to have the urologist do a cystoscopy so your urinary bladder's wall can be visualized to see if you have any abnormalities there. ...Read more

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What are the normal results for a kidney function test?

What are the normal results for a kidney function test?

Normal creatinine: Usually creatinine normal level varies between persons depending on their muscle mass. A body builder will have high creatinine than a thin or emaciated person. A man will have more than a woman. If you are about a 170- 200 lbs male, your creatinine will be about 0.8 to 1.1 if more, the kidneys are weak unless your 200 lbs are all muscles! a woman of same weight has less creat .6-.9unless muscular. ...Read more

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Would regular two month blood donation affect bilirubin, albumin and other liver function bloodwork? wouldnt the blood loss skew the LFT numbers?

Would regular two month blood donation affect bilirubin, albumin and other liver function bloodwork? wouldnt the blood loss skew the LFT numbers?

No: http://www.bloodcenters.org/blood-donation/facts-about-blood-donation/ The major side effect from donating blood frequently is low blood iron and anemia. LFTs are not likely to be affected. See the site above information about blood donation. ...Read more

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Do blood and urine tests test for benzodiazepines?

Do blood and urine tests test for benzodiazepines?

Of course: The screening is most often done using a blood or urine sample. These tests are sometimes administrated as part of an investigation for drug use or abuse. ...Read more