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Doctor insights on: Urine Test Vs Blood Test Thc

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The hospital took my urine and blood test and did an xray and I never gave my stool, could they find THC in those tests?

The hospital took my urine and blood test and did an xray and I never gave my stool, could they find THC in those tests?

Depends on what: they are looking for. Drug-testing generally requires the consent of the person being tested. If you did not consent to it, and they do it, you may have legal recourse to suppress any results. THC can be found in blood and urine. Drug testing is NOT done in stool, except for meconium testing in newborns, at least to my knowledge. ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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Can THC show up on a non-drug blood/urine test?

Can THC show up on a non-drug blood/urine test?

No: Relax. You cannot be tested for it without your knowledge / consent. ...Read more

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How long would it take until nicotine and THC do not show up on a blood or urine test?

How long would it take until nicotine and THC do not show up on a blood or urine test?

Drug tests: Suprisingly, both nicotine and thc can stay in your system and be found in urine up to 3 months after you stopped smoking. But quitting is worth it! you will taste and smell more; you will run and move easier; you will have more energy and be more motivated to do! check out "whyquit.Com". One of my patients, a 35+yr smoker of cigarettes and 20+of thc, was able to quit using this resource! good luck. ...Read more

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Does THC (weed) show up in a regular blood and urine test?

Does THC (weed) show up in a regular blood and urine test?

Yes: It and its breakdown products remain in your blood for approximately 1 month. If you must take the test within that time frame then admit that you used it. Remember it is the lie or the cover up of the act that trips up most people not the deed itself! ...Read more

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Why do I have high glucose on my blood test, but not in my urine test?

Why do I have high glucose on my blood test, but not in my urine test?

How high ?: Glucose can be reabsorbed by the kidneys until the blood level exceeds about 130 mg/dl. Once the blood glucose exceeds 130 glucose starts "spilling" out in the urine. Blood glucose can therefore be abnormally high, up to about 130 without any evidence of glucose in the urine. Once above that level typically it will show up in the urine as well. ...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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Blood test shows élévated bilirubin , urine test négative for bilirubin. Any explanation??

Blood test shows élévated bilirubin , urine test négative for bilirubin. Any explanation??

Unconjugated: Bilirubin exists in the blood in both the conjugated and Unconjugated forms. Only the conjugated can enter the urine. If you feel well, and this is new, you very likely have Gilbert's non-disease. Best wishes. ...Read more

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If you get a urine test two weeks after sex and a blood test the week after the urine and they are both negative can you trust the results?

If you get a urine test two weeks after sex and a blood test the week after the urine and they are both negative can you trust the results?

Blood test, yes: If the last episode of sex was three weeks prior to the blood test and the test was negative, the result should be reliable. You may consult this site for early signs of pregnancy. http://www.webmd.com/baby/features/8-early-signs-of-pregnancy. ...Read more

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IUD since 21Jan. Everything ok til 18 May. Lower ab pain and went to gino and IUD in right position, blood test ok, urine test ok. What can be wrong?

IUD since 21Jan. Everything ok til 18 May. Lower ab pain and went to gino and IUD in right position, blood test ok, urine test ok. What can be wrong?

Get checked: Pelvic pain is complex as there are several organs in the pelvis. The ovaries, fallopian tubes, uterus, cervix, bladder, appendix, intestines, colon and rectum can all be the source. Pelvic pain requires an examination to help organize the evaluation. The iud may or may not be related. Your pregnancy test is negative so you are not pregnant. ...Read more

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Normal blood sugar but have +1 in sugar un urine. I was fasting for more than 12 hrs when i got blood test then ate a lot before urine test. What is ?

Normal blood sugar but have +1 in sugar un urine. I was fasting for more than 12 hrs when i got blood test then ate a lot before urine test. What is ?

Some ideas: You may have mild glucose intolerance and spiked to a high level when you are. You may have Kidneys that lose glucose from Wilson's or any of dozens of other illnesses. It may an interfering substance or lab error. ...Read more

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Which test is more sensitive for detecting drugs: a blood test or a urine test?

Which test is more sensitive for detecting drugs: a blood test or a urine test?

Drug testing: The key issue for sensitivity is the method of detection, and the physiology of the drug in the body. Many drugs are metabolized or excreted through the urine and thus tend to be concentrated in urine samples that are tested by lateral flow immunoassay. Blood testing by Mass Spec is also highly sensitive but not as widely available. ...Read more

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Today is 37 day..Through urine test it shows postive but oly through blood test it should be confirmed ah?

A serum pregnancy: Test is the gold standard. It is the most accurate test - so not sure why you want additional confirmations. ...Read more

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4 days late. 2 bfn (urine test). Is it to early to get a bfp? When is the best time to go for a blood test to get a positive result?

After missed period: Blood test for pregnancy is generally positive one day after a missed period, if the woman is pregnant. For home test it is better to wait 4-5 days after missed period to do the test; use first morning urine and follow the instructions carefully. ...Read more

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Longest cycle 35 days long. Last AF was 8/2. Today is 9/20 & still no AF. Negative blood test last week & negative urine test today. What's goin on?

Longest cycle 35 days long. Last AF was 8/2. Today is 9/20 & still no AF. Negative blood test last week & negative urine test today. What's goin on?

Hormonal imbalance: Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site for more information on this topic. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx Practice safe sex. Get HPV vaccine. ...Read more

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I had a blood test when I was 8days late and a urine test and it showed negative, I am currently 1 5days late but not tested since I had bloods done?

I had a blood test when I was 8days late and a urine test and it showed negative, I am currently 1 5days late but not tested since I had bloods done?

No need to test: If your blood test was negative at 8 days after a missed period, you not likely to be pregnant. Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site for more information on this topic. http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx Practice safe sex. Get HPV vaccine. ...Read more

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1day before blood test in IVF can I do home urine test?

1day before blood test in IVF can I do home urine test?

Yes and no: Yes as it may show you a positive result if you are pregnant. However, many times you may get a negative result while you are pregnant. This is a false negative. For that reason, i recommend that my patients wait for the blood testing to avoid confusing or incorrect results. ...Read more

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About bhcg blood test, how much more accurate is it compared to the urine test?

About bhcg blood test, how much more accurate is it compared to the urine test?

Very: A serum (blood) pregnancy test (in certain labs) can detect a pregnancy as early as 7 days after fertilization, or 7 days before the expected menstrual period. ...Read more