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Doctor insights on: What Does Low Creatinine Serum Mean

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Dr. Al Hegab
140 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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My blood creatinine, serum is 0.50. The lab said it was low. What does this mean? How can I get it to be normal? I am 56 years old. S

My blood creatinine, serum is 0.50. The lab said it was low. What does this mean? How can I get it to be normal? I am 56 years old. S

You are normal: Creatinine levels are a reflection of muscle mass and kidney function. Bad kidney function never results in low creatinine. If you are skinny and do not eat much meat, your creatinine may be lower than "normal" but it is not abnormal at all. There is no need to try to increase your creatinine.

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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.

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Serum creatinine low 39 out of (53-97) normal?

Low creatinine: 19F Kuwait note creatinine 39. Normal for lab 53-97. Asks: Normal. ANS: no but probably is for you. Related to. Body muscle mass and hydration state. Have lab repeat. Ask lab and Dr normal range for your age BMI MUSCLE MASs and ethnicity. Happy to do 2nd opinion.

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What does a serum creatinine level of 2.2 mean?

Kidney dysfunction: A serum creatinine elevation like yours is a sign of kidney dysfunction or insufficiency. This needs to be evaluated and treated to avoid kidney failure.

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My serum creatinine is 0.8. What does this mean?

Serum creatinine: By itself, your serum creatinine (C) is within normal limits. C is dependent on age, sex, race and weight. As you did not mention any personal information, ask the physician (P) who ordered the test. I suspect that if there were a problem with your C level, the P would have told you and you have nothing to worry about. Good luck.

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Serum creatinine/plasma level of 0.66, what does this mean?

Additional info: Hi Tammy, Here is some additional information for you regarding serum creatinine http://www. Mayoclinic. Org/tests-procedures/creatinine-test/home/ovc-20179389 Hope this helps

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My Serum creatinine result is 46 umol / L. What does it mean?

Creatinine: Creatinine ia a break -down product of creatinine phosphate from muscle and is used as a clinical marker for renal function due to its high filtration in the kidneys with little excretion. Decreased level could be explained by decreased muscle mass.

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I have a low serum creatinine of. 50 mg/dl. Is it okay. What should I do to increase it.?

It's OK: Low or normal serum creatinine indicates normal renal function. Elevation in serum creatinine indicates kidney dysfunction.

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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

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.

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My creatinine serum is 0.73 and I've been told this is "low"...should I be concerned? My BUN/creatinine was 23. Should I be concerned healthwise?

Okay, ...: Serum creatinine reflects personal lean muscle mass; so, your lean muscle may be on low side. The bottom line is your personal functionality in managing the tasks & chores of daily living for survival, growth, and continuation. If adequate, leave it alone and live on; if not, go for a comprehensive evaluation & counseling.

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Serum creatinine 0.49mg/dL, 24h urine cr 22.1mg/dL & cr excretion 884mg, cr clearance 125.4mL/min, random urine cr 109, 7mg/dL. Normal? If low, why?

Just ignore this: Labs are set so that a few percent of healthies fall outside on either end. This could not be due to illness. Be thankful for a normal creatinine clearance and that your physician took time to check it.

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What does it mean when my creatinine serum level is. 52 and my bun creatinine ratio is 23h?

Normal kidney levels: You may have mild dehydration based on BUN to creatinine ratio of more than 20. Make sure, though, that your urinalysis is normal.

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What exactly does it mean when my bun/creatinine ratio is 23 but my creatinine serum level is. 77?

See below: Most likely it is normal generally speaking the ration is reported as between 1:15 or 1:20 helps to distinguish dehydration ffrom kidney injury.

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What means an urine-to plasma creatinine ratio > 200? My urine creatinine was 171mg/dl, serum creatinine 0.8mg/dl, ratio:213.

What means an urine-to plasma creatinine ratio > 200? My urine creatinine was 171mg/dl, serum creatinine 0.8mg/dl, ratio:213.

Nothing: This is a meaningless number that is primarily a function of how much water you were drinking. It's used to help calculate other labs.

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During what diseases I find high blood urea with low serum creatinine if do investegtion?

None: Renal disease causes elevation of both and for all practical purposes only renal failure causes meaningful elevation of these.

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Hi, my son 6 years old, when healthy, had bloods done, results were low ferritin, low lymphocytes 1.8, low wbcs 4.6 and low serum creatinine.

Not to worry: All of these things, with the exception of the low ferritin, are fine. The low creatinine means his kidneys work uber-great! . The WBC likely reflects mild suppression from a recent viral illness. The low ferritin is very common, indicating he needs more iron in his diet or a supplement. Please do not get in the habit of focusing on lab numbers when your child is healthy. He is healthy - enjoy!

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
2,215 Doctors shared insights

Creatinine (Definition)

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