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The lab urine tests looks for the presence of HCG (a pregnancy hormone) in your urine.
if you get a positive- the only way it's wrong is if you've taken HCG containing medications (for infertility treatments) or if you have a tumor that is producing HCG-very rare.
if you get a negative- the test could be wrong if it was done too early after ovulation, you could be pregnant, but not producing enough HCG to show up in a test.
~pawsalmighty
Wiki User
∙ 8y ago
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Is it possible for a urine lab test to be wrong for marijuana?
It's possible, but it's not especially likely.
I had Home pregnancy test and saw a faint line then i went for a lab urine test the result was negetive can i be pregnant?
The lab tests are more reliable then the HPT but if you are insecure you can always take the bloodtest.
I did half a gram of cocaine 8 days ago had a urine test which was sent to the lab 3 hours after the lab urine test I took the at home urine test negative with a faint line will the lab be neg?
Of course. You're screwed.
What is hcpc code 81025?
CPT 81025 is for -- Urine pregnancy test, by visual color comparison method.The lab analyst performs the pregnancy test on a urine specimen using a methodology or kit that the analyst can read visually for a direct readout.
Can contraceptive pills show up on a drug test?
not exactly, but can affect the urine pH and any lab can find if the man use female urine to pass a drug test, because of this pills, pregnancy, etc..
Can you take pregnancy test if you think im 1 week pregnant?
I've never been pregnant before, but I don't really see why not. But I may be wrong.
Can Synthetic urine not work on a EMIT Test and pass the lab test?
It will work.
Can you pass a urine lab test with half water and half urine yes or no?
Depends on what kind of urine
Can in vitro pregnancy test for normal pregnancy?
Any test that deals with a studying a subject outside of its normal environment, such as a test performed "inside a lab." Any test that deals with a studying a subject outside of its normal environment, such as a test performed "inside a lab."
Does golden shower synthetic urine work in lab test?
No, because it is simply not urine.
Can you get accurate pregnancy results if you take the pregnancy test right after implantation bleeding and after your period is 4 days late?
by urine you have to wait 10 daysby lab, you should know immediatelygood luck joymaker rn
Do they send a saliva test for marijuana to the lab?
No, they don't do a saliva test for marijuana, they do a urine test.
