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Doctor insights on: Do You Get Drug Tested When Giving A Urine Sample For A Corporate Physical

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How long can a urine sample sit before it is sent to lab for testing without going bad?

How long can a urine sample sit before it is sent to lab for testing without going bad?

Depends: Some things such as glucose must be tested pretty quick as they are consumed by cells and bacteria in the urine. Cells deteriorate quickly, bacteria multiply quickly. Protein could deteriorate. The ph can change depending upon bacterial action. Sodium, potassium, chloride, an similar elemental analytes are unchanged in spite of temperature and or biologic processes. In general test asap. ...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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When getting a annual physical does the blood work include a drug test, and does the physical require a urine sample? I'm worried about false positive

When getting a annual physical does the blood work include a drug test, and does the physical require a urine sample? I'm worried about false positive

It does not: You can only be tested for drugs of abuse with your consent. Your physician doing your routine history and physical will not screen you for recreational substances. False-positive drug-of-abuse tests that have medicolegal consequences are very uncommon as the results must be verified by a test using a different chemical principle. And even if you're actually using, your physician is your friend. ...Read more

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I urinated 30 minutes before giving a urine sample for STD testing. Does this reduce effectivness of amp test?

I urinated 30 minutes before giving a urine sample for STD testing. Does this reduce effectivness of amp test?

Possible...: How long should one wait to collect urine for testing STD? There is no firm set rule, but it is sensible to wait for 2-4 hairs at least so to let the std-related germs produce enough amount of their metabolic residual for testing; of course, make sure to collect the first (dirty) part of urine, not the midstream. That is why the first part of morning urine is the best specimen for testing STD. ...Read more

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Can you tell me how to get a first morning urine sample from a 2 year old - help!?

Can you tell me how to get a first morning urine sample from a 2 year old - help!?

Toddler urine sample: As soon as she they wake up in the morning, sit them on the potty chair that is very clean. Then sit there and read books, eat breakfast, watch a favorite video on your portable laptop or tablet until they in the potty chair bowl. Usually only takes about a half hour. Then put sample in collection cup and you are done! ...Read more

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When collecting urine sample for urine culture how many hours is it recommended not to void before collecting the sample to get an accurate results?

When collecting urine sample for urine culture how many hours is it recommended not to void before collecting the sample to get an accurate results?

Urine culture: What is necessary during a urine collection for culture is to avoid contamination when collection the urine sample, that is the vulva or the penis has to be wiped clean than collect a mid stream urine, but not how long to wait before voiding, assuming there is urine in the bladder ...Read more

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How long are fentanyl metabolites detectable on a urine sample tested specifically for fentanyl?

How long are fentanyl metabolites detectable on a urine sample tested specifically for fentanyl?

Quite a bit of time: The first thing is that fentanyl is a long acting drug mainly because of the time it takes to get out of the patch and into the person. The time starts hours after the patch is removed. Due to some staying in the skin, it brings the total time to about a week after the patch is rmoved. ...Read more

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What STD or STI can you just get a urine sample for?

What STD or STI can you just get a urine sample for?

Chlamydia, gonorrhea: It depends on what is available at the office/place you seek treatment. It is common to be able to check for chlamydia & gonorrhea with a urine sample at emergency rooms & urgent care centers. Not all places have the means to do all tests. Sometimes trichomonas can be seen on a microscopic exam of the urine, but that method is not the best way to check for trich. Urine tests are less reliable. ...Read more

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Will adding vinegar to a urine sample help to pass a drug test?

Will adding vinegar to a urine sample help to pass a drug test?

No: All vinegar will do is decrease the ph or increase the acidity of the sample. Drug tests are very sophisticated and can detect trace amounts very easily. ...Read more

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AFTER a drug urine sample has been voided, what is the rate of THC-Metabolite breakdown OUTSIDE OF THE BODY? (Please be specific) Thanks!

AFTER a drug urine sample has been voided, what is the rate of THC-Metabolite breakdown OUTSIDE OF THE BODY? (Please be specific) Thanks!

It depends: Refrigerated urines measuring amounts of drugs of abuse are usually considered valid for five days. At room temperature bacteria grow quickly and would likely effect concentrations of THC rather significantly even after 24 hours. I am unable to be more specific. ...Read more

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Recent urine sample tested, results said spot protein 8. What does that mean?

Recent urine sample tested, results said spot protein 8. What does that mean?

trace of protein8mg: It means you have trace of protein which is 8mgm/mmol it is not significant, as 5to20mgm is considered trace and does not mean there is any kidney disease and sometime can be considered normal. ...Read more

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I had a urine sample tested and did have cystitis but now nurse wants me to do another sample in a red top bottle because of PUS cell what does this?

I had a urine sample tested and did have cystitis but now nurse wants me to do another sample in a red top bottle because of PUS cell what does this?

Urinalysis: "Pus" cells are white blood cells. When present in the urine they suggest an inflammatory process somewhere in the urinary tract, usually the bladder and urethra in women and commonly due to infection. Do not know what the second specimen was for, although if it were collected clean and midstream it was probably a culture to isolate and identify the causative organism. ...Read more

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I'm just wondering, if you get a standard blood test and urine sample can it detect cancer?

I'm just wondering, if you get a standard blood test and urine sample can it detect cancer?

No: You'll need a good history and physical. Some lab abnormalities may tip the physician off to cancer. There are some screens -- colonoscopy, mammography, Pap smears, some others -- that can seek cancer while it's curable. ...Read more

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The lab says the sample from my newly inserted Foley catheter is contaminated despite all my efforts. How do I get my urine sample processed?

The lab says the sample from my newly inserted Foley catheter is contaminated despite all my efforts. How do I get my urine sample processed?

Optimal collection: The best sample of urine is that which is collected at the time the foley catheter is placed. However, if you have had an indweling catheter for some time, your bladder may be colonized with bacteria and the culture may always grow bacteria despite not having a true infection. ...Read more

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Cushings syndrome, is urine sample and testorone the only way to get a positive? I understand that cortisol can measure different in blood.

Cushings syndrome, is urine sample and testorone the only way to get a positive? I understand that cortisol can measure different in blood.

There are: Various tests for cushing's, including blood and urine tests for cortisols, x-rays, suppression tests w/cortisone rx. Check w/your endocrinologist if you're concerned. ...Read more

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If I use fake urine for a drug test. And actually got a bit of cocaine in the urine sample, will it test negative in lab since there are no metaboli?

If I use fake urine for a drug test. And actually got a bit of cocaine in the urine sample, will it test negative in lab since there are no metaboli?

What a mess: I don't know if anyone can answer you w/ certainty. I'm usually opposed to drug testing (when it's to help you in rehab or part of probation/parole, it's good or okay) but you're doing some messy things and few get away w/ that way of living for long. Many would say you're unconsciously making a cry for help by messing up so badly. Are you? ...Read more