Doctor insights on: Kidney function blood test fasting
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
Can a kidney function blood test determine whether I have stones or kidney damage. I have frequent pain on my right side front side & back constantly?
I donated blood yesterday, will this affect the results of a liver/kidney function blood test I am getting done next week?
What blood tests test kidney function? What kind of blood test do I need to show how well my kidneys are working?
Second blood test done for kidney function Creatinine to be tested again. Result borderline what does this mean as doc wants another test in 1month?
Blood test results showed elevated liver enzymes and elevated kidney function. What does this mean?
Need for evaluation: It is not feasible to provide a meaningful opinion without taking a history, physical examination, looking at the actual lab results and may be additional studies. Lab results need to be interpreted in the clinical context and the doctor who ordered the tests is in the best position to do that. ...Read more
I just started blood pressure meds but don't want blood test as fear kidney function test may include liver test and rather not know is that ok?
Here are some...: Hi! Carolynbabe, Fearing the unknown would not help. The first step to help improve life & health is to understand & accept the available truth & facts of life. To start long-term Rx for high BP, it's good idea to get a baseline lab for renal and liver function, lytes, CBC, etc. Since drugs used all go through liver... So, ask your Doc timely if concern arises. ...Read more
Took Flonase & clariten long term. Stopped abruptly due to extreme dryness in nasal passages. Blood test showed lower kidney function. Related to meds?
No: Those medications should not affect renal function. They are metabolized by enzymes in the liver. Thus, not typically associated with any affect on your kidneys. Discuss with your doctor other possible causes for decreased kidney function. ...Read more
Many: The causes are numerous and depend on associated symptoms. Tenderness can be due to ribs which are in the area. Other symptoms can be due to internal organs on that side. Back pain from facet joints can cause pain in that area but less likely in young aside from someone with prior athletic history or injuries or accidents. Would discuss with primary doctor. ...Read more
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
Can not fasting before a blood test show results of acute kidney failure & I'm scheduled for another test that I will fast for amen?
I'm diabetic type 2 I'm having a fasting kidney and liver blood test will it show cannabis in the test if I smoke it?
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, What test was it and what was the result? If creatinine was low, that is not an indication of kidney disease.
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. Drink enough water daily, so that your urine is mostly colorless. 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.
Get HPV vaccine. ...Read more
My wife has pain in her kidneys, full blood test done but now they want to test it again what are they looking for.
It's not uncommon for doctors to repeat a test during work up or follow up. It might be helpful to
ask this question directly and obtain a more informed answer from the them. Without knowing the details of what is wrong with your wife, it will be very difficult to answer correctly. ...Read more
My husband has had two blood test taken, both indicated his kidney markers are significantly elevated. What does this mean?
More work-up needed: Any medical test needs interpretation together with a patient's history, examination and imaging. Abnormal blood tests for kidney function suggest a need for further explanation of why. Reasons may include problems before blood flow gets to the kidneys (like narrowed arteries), problems with the kidneys (kidney disease) or after the kidneys (like prostate enlargement). Don't panic, get evaluated. ...Read moreSee 1 more doctor answer
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
I have a 99 efgr rating on a kidney blood test. What does this mean for me. Do I have kidney problems and what over-the-counter meds can I take?
Normal: I am assuming the estimated GFR is 99 ml/min. While I join other pathologists and nephrologists who has little use for subscientific estimates of glomerular filtration rates from spot creatinines, this suggests to me that your serum creatinine was normal, and that your personal physician is not concerned either. I'm sorry you got a scare and glad you're taking a proactive approach. ...Read moreSee 1 more doctor answer
In 2 years my kidney level in blood test went from 14 to 26 and my glucose is double the norm. How concerned should I be and with my preconditions?
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