Doctor insights on:
Can I Smoke Before Fasting Labs
Lab test in a month. To go along with my general physical. I smoke socially about one cigarette a day. How long until for cotinine to leave my body?
It would depend on the tests that may be done.
It is imperative that you inform your doctor of your weed habit to ensure that there no drug-drug interaction with weed and the medications you are taking. ...Read more
Asking a gynecologist: when you go in for a Pap smear, do they ever check for nicotine in your cells when they send it to a lab, cause I read they did not. I am a light smoker only 14 cigs/ wk and two days out of the week I don't smoke at all?
Just tell the doctor: No. Medical care resources are limited and expensive. Every patient can just tell her doctor if she is smoking, how much she is smoking, and which methods she is using to try to quit smoking. Usually, primary care doctors and their staff will ask about smoking. Thus, there is no reason in normal situations to spend time and precious resources doing tests for something the patient can just say. ...Read more
Glucose 131 fasting, hgba1c 5.2. Does this mean I'm diabetic? Wasn't given medicine. Just a special diet and will be repeating labs in 3months.
Probably: The definition for diabetes is having two fasting glucose levels above 125, post prandial sugars above 200, or a hba1c above 6.5%. Your fasting glucose is above 131, but needs to be repeated to confirm. The hba1c is much lower than one would expect. Hba1c are not always accurate, especially in people with kidney disease and/or anemia. ...Read more
If lab tests have instructions to fast, that means that you must not have anything to eat or drink for a specified period before your test.
Certain test results are inaccurate following the digestion of food. Blood sugar and triglycerides are two examples of tests that are affected by food and drink.
Your doctor will tell you how many hours to fast.
Do not eat or drink anything except water. ...Read more
Has anyone ever falsely been diagnosed with diabetes. I had a fasting lab done and my sugar was 271.?
Yes: That's why we never diagnosed diabetes on just one lab result. You need to repeat it or do another test to confirm the diagnosis. Lab error can always happen (maybe the technician had a bad day) but this is too important to make any assumption. Go see your doctor for another lab draw. ...Read more
I drank beer and mixed drinks and shots on Sat. And had fasting labs done on Fri. Will that affect my results?
Not sure: I understand completely...you had the drinks the day after the labs were drawn? ...Read more
I drank 5 light beers before 11.00 p.m and have annual lab work tomorrow with fasting after midnight test will be at 1.00 p.m tomorrow. Is that ok?
Depends: It depends on what tests are done. Blood cell counts are unlikely to be affected, however, liver enzyme results may be abnormal. ...Read more
My A1c is 5.3 but my fasting (lab)stays around 97-104.How can I get my fasting lower? Why can't I get it back to 80s? I walk 30 min dail. Not diabetic
I just did the blood sugar test (fasting) and it comes 95, so in the same time I did do the test through the lab and its comes 100 and hb1ac was 5.3?
Last 3 fasting glucs (at a lab): 110, 111, 103, in past 12 months. Ha1c's taken at same time are all normal (5.5-5.7 range). So am I "pre-diabetic"?
Last 3 fasting gluc (lab): 110, 111, 103, (months apart) despite TWO normal a1c's & repeated morning gluc in low 80s on home monitor. Type2 imminent?
Those blood sugars are not too bad but low 80's is better.
Please see your doctor and have your blood sugar checked on the doctor's device and yours.
If your home monitor is giving you the wrong information you need a better instrument.
Many of the folks who see doctors about glucose measurements are likely to give you a first class meter at no cost. ...Read more
If I was fasting when they took a lab for my ESR inflammation component, will that throw off my results? =20.Or will a fast throw off results in gen?
Can I drink some milk with medicines before fasting (blood) labs. I am having some fasting blood tests done today. I am told to take my medicine with milk. Is it ok to drink 1/2 cup with my medicines. *i have been told before to always drink milk with me
Water: Water ok milk is not.Get a more detailed answer ›
No: No you cannot. Fasting means fasting. Nothing besides water, black coffee or plain tea. ...Read more
My husband has fasting blood sugar of 11.6 mmol/l. We actually came to do him OGTT. The lab refused to give the sugar sample owing to high FBS.
I just had some labs drawn because I'm always tired. Everything looks ok except my fasting glucose (107) and my iron is 190, tibc is 389, %sat is 49.
Labs, and fatigue: Fatigue is very common and it's etiology is often times not indicated in the labs. A fasting blood sugar slightly greater than 100 is indicative of glucose intolerance which may be a precursor to diabetes. Lifestyle is probably the biggest reason for the fatigue, but if not done a TSH should be performed to rule out hypothyroidism. Regular exercise weight loss and good sleep are good choices. ...Read more
My sugar blood test =101 after 12 h fasting and the hba1c =5.3, I am so much worry about this, should I be? Labs says that normal range is 75-115?
Please explain why. If my Estimated Mean Plasma Glucose is 110.47 mg/dl from lab converts to A1c of 5.9%. that doesn't seem to correlate. Fasting 79?
Meaning of it all: The A1c tells how much glucose is stuck on the hemoglobin in the red blood cell. The higher the blood glucose was during the life span of the cell (120 days), the higher the A1c. So, 1 fasting level of 79 will not tell you if the glucose is too high for too long after a meal, or if you used to have higher glucose but it got better recently through weight loss or medication. ...Read more
Does the lab report show more accurate results if we take a TSH test while fasting? Which is best: to fast or not to fast?
My anion gap during fasting (from lab) shows a 30.5. PCP says may been a lab error, wants to recheck. What does this # mean? Worrisome?
Homo-cysteine reading after non-fasting blood test was 14.78, which (according to the lab) was normal. What are reference values for this test? Ty.
"Homocysteine at 1 – 5 μmol/L has been found to specifically block tissue plasminogen activator, but not plasminogen binding to endothelial cells. Homocysteine concentrations as low as 8 μmol/L dramatically increase the affinity of lipoprotein (a) for plasmin-modified fibrin surfaces, thus inhibiting plasminogen activation."
from: The High Atherosclerotic Risk Among Epileptics ...Read more
Whenever I go to the lab for fasting glucose it's typically 110-115. But at home on fingertip monitor I'm always in 74-89 range. Why so different?
Whole blood is lower:
The lab tests glucose in plasma and home monitor tests it in whole blood. Whole blood readings are lower by 15%. The lab readings are more accurate and you should consider yourself pre-diabetic and adjust your life style accordingly. It would help to lose 5-10% of your weight and exercise at least 150 minutes/week.
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. ...Read more
My ogtt results in the 24th pregnancy week showed: fasting 78mg/dl; 75g glucose, after 1 hour: 97mg/dl, after 2 hours: 154mg/dl. Is it a lab error?
Fasting blood sugar test =100 (in the lab not finger stick) and the hp1ac = 5.3, and by the fingerstick =92, is this normal or should I be worried?
I had lab work done. My blood sugar level can back high. Was fasting blood work & didn't drink any water, would that cause the sugar level to be high?
Lab results "not fasting", glucose 117mg, Ac1 5.5%, Est Av Glucose 111, Insulin Inmuno 82.2 uIU/ml. Female, 33, 5'8, 208lbs, weighted 160 4-5 yrs ago.
Unclear question: 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, it is not likely that you have diabetes. However, the weight gain is not a sign of good health and you should try to lose weight (easier said than done). It may help to consult a nutritionist for advice. ...Read more
Health Anxiety! A1c 5.3 but fasting is always in mid 90s. I check my sugar constantly. So afraid I am developing diabetes because I have had fasting 100 (lab). How can I stop worrying and checking my sugar? Does it take years time to develop diabetes
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