Question 1

i have a friend that has to take random urine tests for alcohol. can they tell the age of the urine sample?

Accepted Answer

Supervised: Collection.  For medico-legal testing the collection is generally supervised and temperature of urine taken to ensure fresh specimen.

Question 2

i did a urine sample at my first midwife appt, they then asked for a 2nd sample but couldn't tell me why! they have now asked for a 3rd! what's wrong?

Accepted Answer

Probably nothing: Many people now check urines on pregnant women at each check to monitor proactively for things like signs of infection, protein or blod in urine, monitor fluid status. It is likely this is just part of your midwife's routine and that nothing is wrong at all. It's just like taking your pulse, blood pressure and other vital signs when you're pregnant.

Question 3

what can doctors tell from a urine sample?

Accepted Answer

Depends on the test.: Doctors order specific tests on urine depending on the patient's needs. The most common urine tests check for blood, protein, ph imbalance, diabetes, kidney problems & infection. Microscopy can further find stone crystals, bacteria, or yeast. Toxicology tests look for drugs of abuse (amphetamine, cocaine, opiates, benzo). Specialized tests can look for endocrine problems (cortisol).

Question 4

please tell me what can it be blood on my urine sample?

Accepted Answer

Many possibilities: We want to rule out tumors and stones. If there's no other evidence of illness, you may simply be one of the 1% of folks who just leaks a little blood into the urine without it being a problem. You may have thin-GBM non-disease or some unknown issue. If everything else checks out normal, stop worrying.

Question 5

can anyone tell me what could blood on my urine sample indicate?

Accepted Answer

Many possibilities: We want to rule out tumors and stones. If there's no other evidence of illness, you may simply be one of the 1% of folks who just leaks a little blood into the urine without it being a problem. You may have thin-GBM non-disease or some unknown issue. If everything else checks out normal, stop worrying.

Question 6

had routine labs done and microscopic urine said: "squam epi/lpf: occasional (abnormal)". can you please tell me what this means? everything else related to urine sample said negative?

Accepted Answer

: As written the words are gibberish. Squamous epithelium on a low power field is an occasional finding in a normal urine analysis. Why the word abnormal is placed in the statement is something you should clarify with whoever did it. It does not make sense in this context.

Question 7

can you tell if someones got a kidney infection without a urine sample? i got told i had a bad kidney infection today but he never checked my urine.

Accepted Answer

UTIs: I often get a sense of a real UTI just from the history or story the patient tells me.  A female often knows very well that they have a UTI and these need treatment urgently. The pain or other symptoms can be nearly unbearable.  I treat frequently in this specific scenario without testing.

Question 8

will a lab be able to tell the difference between concerta and focalin (dexmethylphenidate) xr in a urine sample?

Accepted Answer

No: both medications will show up as amphetamines

Question 9

please tell me, could a lab tell the difference between concerta and focalin (dexmethylphenidate) xr in a urine sample?

Accepted Answer

Depends on tests: Kenneth G answered 8 months ago
It all depends on the test they use. With a basic screen, amphetamine like drugs will look like the same things. If they do more sophisticated analysis, that's not the case. Now, the difference between Focalin (dexmethylphenidate) and Concerta is minimal. They are the same molecule, but Focalin (dexmethylphenidate) is the right-handed "dextro" isomer of methylphenidate vs Concerta which is a "racemic" mixture of left and right handed isomers. The dextro is considered to be the most active. If you're on Concerta, the urinary metabolite is d,l ritalinic acid. With focalin, (dexmethylphenidate) just d-ritalinic acid.

Question 10

docs, could a lab tell the difference between concerta and focalin (dexmethylphenidate) xr in a urine sample?

Accepted Answer

No: To detect d,l-methylphenidate (Concerta)  or d-methylphenidate (Focalin) a quantitative LC-MS/MS test and critical-frozen specimen are required. Urine should be collected within 8 hours of dosing, and blood (serum/plasma) within 4 hours of dosing. These tests do not distinguish between d- and l- isomers of methylphenidate.

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Doctor answers about:

Can a urine sample tell if you are pregnant

A member asked:

I have a friend that has to take random urine tests for alcohol. can they tell the age of the urine sample?

A member asked:

I did a urine sample at my first midwife appt, they then asked for a 2nd sample but couldn't tell me why! they have now asked for a 3rd! what's wrong?

A member asked:

What can doctors tell from a urine sample?

A member asked:

Please tell me what can it be blood on my urine sample?

A member asked:

Can anyone tell me what could blood on my urine sample indicate?

A member asked:

Had routine labs done and microscopic urine said: "squam epi/lpf: occasional (abnormal)". can you please tell me what this means? everything else related to urine sample said negative?

A member asked:

Can you tell if someones got a kidney infection without a urine sample? i got told i had a bad kidney infection today but he never checked my urine.

A member asked:

Will a lab be able to tell the difference between concerta and focalin (dexmethylphenidate) xr in a urine sample?

A member asked:

Please tell me, could a lab tell the difference between concerta and focalin (dexmethylphenidate) xr in a urine sample?

A member asked:

Docs, could a lab tell the difference between concerta and focalin (dexmethylphenidate) xr in a urine sample?

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