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Doctor insights on: Creatinine Serum Blood Test Results

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A blood test showed that I'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?

A blood test showed that I'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?

B12: This low will likely cause dementia, spinal cord degeneration and peripheral neuropathy. Keep your level above 550 for the rest of your life. Recovery takes about a year in a young person. I suggest you take liquid sublingual weekly for 3 months then bi weekly thereafter. Its important to check a level after you cut back to twice a month. Use 1 1/2 dropper and hold it under the tongue for 30 sec. ...Read more

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Dr. Jeffrey Satinover
141 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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Hi, I'm 26 years old male. Took fasting blood test (without having water) after working out for 2 hrs. Got serum creatinine as 1.78. Is it coz of gym?

Hi, I'm 26 years old male. Took fasting blood test (without having water) after working out for 2 hrs. Got serum creatinine as 1.78. Is it coz of gym?

Yes: When I was lifting every day, my serum creatinine ran 1.7. So do other gym guys. It's your muscle mass. The changes in bodybuilding (high creatinine, high body mass index) showcase the foolishness of diagnosing people with a healthy habit as "kidney disease patients" or "obese." the same factors drive this foolishness as drive much of the rest of our health care system dysfunction. ...Read more

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I feel weak and did a blood test and it showed the my serum creatinine is 1.2 isn't this high?

I feel weak and did a blood test and it showed the my serum creatinine is 1.2 isn't this high?

Need more info: The creatinine level is within normal limits but you can get more information from the estimated glomerular filtration rate. To calculate the estimated glomerular filtration rate one needs to plug in creatinine, age, sex and race. See this site for info and discuss the matter with your doctor.
http://www. Kidneyfund. Org/kidney-health/kidney-basics/kidney-test-egfr. Html. ...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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7 day old nephew has a. 11mg/dl serum creatinine. Is it normal? He received high dose of amikacin by mistake 3 days before the blood test. Thanks.

7 day old nephew has a. 11mg/dl serum creatinine. Is it normal? He received high dose of amikacin by mistake 3 days before the blood test. Thanks.

Cr. 11: Is it 0. 11 or 1.1? 0.11 seems low but that usually is not a problem, 1.1 may be minimally high which coudl be due to dehydration so would recheck it in a week after drinking about 2 glasses water to see the trend and could also dip the urine for protein.. But most important call the lab where it was done and ask for their reference values as every lab differs a it in what is normal ...Read more

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My mother is diabetic from past 15 yrs age 52 and serum creatinine level 8 is found in yesterday blood test. What is this problem? How procede furthur

My mother is diabetic from past 15 yrs age 52 and serum creatinine level 8 is found in yesterday blood test. What is this problem? How procede furthur

Creatinine of 8?: Hi. I'm sorry, but if her creatinine is 8 (you do mean 8, right, not 0.8?), she's in kidney failure. She will have to see a nephrologist SOON to have an arterio-venous fistula placed to get ready for dialysis, and if appropriate, get on a transplant list. This is probably a result of chronically very poor diabetes & blood pressure control. If she controls her diabetes & BP, she may save her eyes. ...Read more

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My blood test results are: Hgb 10.8 Mcv 77.4 Serum ferritin 6 Can you tell me what these mean and if I should be concerned?

My blood test results are: Hgb 10.8 Mcv 77.4 Serum ferritin 6 Can you tell me what these mean and if I should be concerned?

Anemia: The low hemoglobin indicates that you have anemia and the other two values suggest that this is due to insufficient iron. Most often in a woman of your age this is due to menstrual blood loss. Iron supplementation or a higher iron content in your diet should allow you to recover and feel better. ...Read more

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I recently had a urine and blood test. Results show egfr @ 53, creatinine @ 1.35 and protein urine @ 123.7. Does this mean renal failure?

Renal failure?: You do not have renal failure. What you have is chronic kidney disease. To find what what your actual GFR is, you need to have a 24 hour urine for creatinine clearance and protein, as well as another lab test to get the creatinine at the time of your urine collection. You will also need a renal ultrasound. See a nephrologist for the best treatment of your chronic kidney disease and proteinuria. ...Read more

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What is the meaning of the following blood test results creatinine from 1.67 down to 0.83. Ast (sgot) 50, bun creat ratio 22.00, est GFR less than 60?

What is the meaning of the following blood test results creatinine from 1.67 down to 0.83. Ast (sgot) 50, bun creat ratio 22.00, est GFR less than 60?

Kidney and Liver T: Egfr (normal >60), creatinine, bun/cr ratio are all lab values to suggest how the kidney function is, ast is an enzyme secreted by the liver, if its elevated there is something wrong with the liver (it varies from mild to severe). Check with your doctor or mentor about the normal values and the abnormal ones. ...Read more

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I just received my blood work my Eos absolute is 0.6 high x10E3/uL my bun is 15 mg/dL and my creatinine, serum is 0.77 mg/dL should I worry?

I just received my blood work my Eos absolute is 0.6 high x10E3/uL my bun is 15 mg/dL and my creatinine, serum is 0.77 mg/dL should I worry?

Eos vary: Eosinophil levels vary widely depending on internal factors, medications and environmental exposures. A level of 600 per microliter is very typical even though it falls outside the "normal" range. As a physician, I would factor this result into the overall medical picture, but in and of itself, it is not cause for concern. ...Read more

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I keep waking up with swollen hands no heart or kidney problems. Last blood work everything was fine the only thin low was my creatinine serum?

Swollen hands: Sorry but you need to be more precise as we need more info. When was your last blood work relative to swollen hands? If blood before these symptoms started, need repeat labs. Otherwise, time to consider autoimmune conditions. Or recent travel/camping. Ill contacts. New medications (perhaps b/c methylprednisolone), herbs, dietary supplements etc regardless of how natural pure & organic. Go c ur doc. ...Read more

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I had 3 blood test for serum cheatinine last one was 2.1. Had ultrasound. Dr. Sent me letter 6 months ago kidneys look good. Should I be concerned?

I had 3 blood test for serum cheatinine last one was 2.1. Had ultrasound. Dr. Sent me letter 6 months ago kidneys look good. Should I be concerned?

Yes: Serum creatinine correlates with msucle mass and above 1.6 mg/dl is abnormal for even a muscular man, unless he's elderly at which time some loss of kidney functions is expected. I'm glad you are being followed; we can be confident you have some mild kidney damage, but this happens to all of us as we age. ...Read more

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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! ...Read more

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Is it okay to drink before 12hr fasting? My test includes blood sugar, lipid profiles and serum creatinine. Coz last test I feel so thirsty.

Is it okay to drink before 12hr fasting? My test includes blood sugar, lipid profiles and serum creatinine. Coz last test I feel so thirsty.

Water: Drinking a little water should not have a significant impact on result of blood sugar or lipid panel. It may affect serum creatinine, but that should not be very significant either. It is recommended that you be fasting for the tests though. ...Read more

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5yr girl with 7 past urine tests in row show trace blood in it, no u.T.I.! so checked serum creatinine an it's ok but cbc, iron on low side, . Any clue?

5yr girl with 7 past urine tests in row show trace blood in it, no u.T.I.! so checked serum creatinine an it's ok but cbc, iron on low side, . Any clue?

? urine Ca/cr ratio: Sometimes this is a sampling issue, and a squat and pee sample is often a vaginal wash out with all sorts of things in it. If it is a good clean catch specimine I would wonder where the blood is coming from. Small amounts can accompany excess calcium loss through the kidney tubules. A spot check of the urine ca/cr can pick this up, usually some protein in the pee along with it. Talk with your doc. ...Read more

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My mother (54yrs) recently suffered with fever and dehydration. On tests her hb was found 7.4, serum creatinine= 5.9 with blood urea=97. What to do now?

My mother (54yrs) recently suffered with fever and dehydration. On tests her hb was found 7.4, serum creatinine= 5.9 with blood urea=97. What to do now?

Workup / comply: The abnormal renal function tests need not reflect anything more than dehydration, which we may hope is now treated. Find the cause of the anemia and treat it, do what 's required to prevent further episodes of dehydration, and you and your mother will probably have many happy years together. ...Read more

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My blood test results: total bilirubin: 1.41 h ast: 40 h alt: 100 h total alk phosphatase: 43 l serum total protein: 7.1 e.R. Said hepatitis?

My blood test results: total bilirubin: 1.41 h ast: 40 h alt: 100 h total alk phosphatase: 43 l serum total protein: 7.1 e.R. Said hepatitis?

Let's try this...: I have only a little bit of the story you've shared. Perhaps it's time to see whether the ast and alt get back to normal after two weeks off alcohol and any not-totally-necessary meds you may be taking. If so, this is the start of a healthier life after alcohol. If not, the workup for virus infections, iron overload, wilson's, autoimmunity & need for exercise can begin. Good luck. ...Read more

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
2,219 Doctors shared insights

Creatinine (Definition)

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