Q: do healthy individuals have some (within normal range as per laboratory) beta 2 microglobulin in their blood?or is any value, even if w/in range, bad? normal range per lab is <2.52 and my value was 1.74.

That’s fine. : The absolute presence or absence of a substance in the body is not what defines normality. As long as you’re result is within the range that the laboratory defined as normal, then that result is normal, and not suggestive in and of itself of any pathologic process.

Q: why ldh normal range changes dramatically with vitros test? (normal range: 313-618 u/l); my result was ok: 442. is vitros test using a different methodology and acceptance values? lab and doc showed me the vitros instructions and confirmed its all ok

See below: Different methods for the same chemical do give different results. International standardization is not an easy issue. 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. Talk to the doctor who ordered the tests. Wish you 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, if you have sex.

Question 1

why do normal values vary so much between lab sites?

Accepted Answer

Normal values: Normal values may vary due to the difference in the test brand name used and different values assigned for that test. I've noticed that too and it does look confusing but different companies use different technology designing their tests, so there is not much that can be done.

Question 2

what are normal lab values post hemithyroidectomy?

Accepted Answer

Normal: If the remaining half-thyroid is normal, your thyroid blood levels should be normal.

Question 3

my pro bnp is 227.  lab values are 0 -138 are normal.  how serious is this still elevated number?  it has been steadily falling from 8000 on 3/13/13.

Accepted Answer

CHF: Having the bnp number go down, is the most important thing!  compared to 8000, 227 is pretty darn good! control factors like blood pressure, wear compression socks for swelling, and take diuretics as directed by doc.  Call doc asap with any sudden onset of swelling with wt gain or shortness of breath--could mean another CHF exacerbation. Watch fluid intake and salt intake as directed.

Question 4

i recently got my labs back and i noticed all my other lab values were within the normal range, my monocytes were 17.3%. what does this mean, should i be concerned?

Accepted Answer

: Monocytes are increased in many conditions. It is best you get checked out by your MD

Question 5

what does abnormal protein band 1, ser/plas, band 2 and band 3 mean on labs. it doesn't give values. all other labs are normal.

Accepted Answer

Protein band: If this is a serum electrophoresis or immunoelectrophoresis it suggests presence of an abnormal protein such as seen in gammopathy or multiple myeloma. A hematologist is best qualified to evaluate and advise you and further testing,such as bone marrow biopsy, may be advised depending upon that assessment.

Question 6

i have had some lab work to find out my troponin levels and they were .13 and the other one is .18 is this normal or are these values high?

Accepted Answer

That depends: On the type of troponin level tested: trop-i or trop-t.  Generally anything 0-0.1micrograms/l is within normal range for trop-t, trop i is &lt;10 micrograms/l.  It also depends highly on the labs "normal ranges" as these differ from lab to lab.  Always good to stick with the same lab and methodology to follow trends in labs.  If at the er for chest pain to rule out mi, they would look at ekg's too.

Question 7

is high sensitivity troponin value of 5 then 2 hours later is 6, is it considered normal finding? there lab reference, says above 18 is high?

Accepted Answer

: Normal likely.  Why was it done? would be useful to know.

Question 8

my free t4 test test reads 0.61 ng/dl with the normal value for the lab being 0.8-1.7. shouldnt i be treated?

Accepted Answer

Not Necessarily: Your ft4 needs to be assessed when taken into consideration with TSH and other tests. Also, the lab assay for ft4 may be unreliable as in many facilities. Or you might be on other medication interfering in the testing process of ft4. Other tests may be more reliable in assessing thyroid hormone levels if ft4 is persistently low. The direct dialysis method may be helpful.

Question 9

do healthy individuals have some (within normal range as per laboratory) beta 2 microglobulin in their blood?or is any value, even if w/in range, bad? normal range per lab is <2.52 and my value was 1.74.

Accepted Answer

That’s fine. : The absolute presence or absence of a substance in the body is not what defines normality. As long as you’re result is within the range that the laboratory defined as normal, then that result is normal, and not suggestive in and of itself of any pathologic process.

Question 10

why ldh normal range changes dramatically with vitros test? (normal range: 313-618 u/l); my result was ok: 442. is vitros test using a different methodology and acceptance values? lab and doc showed me the vitros instructions and confirmed its all ok

Accepted Answer

See below: Different methods for the same chemical do give different results. International standardization is not an easy issue. 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. Talk to the doctor who ordered the tests. 
Wish you 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, if you have sex.

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Doctor answers about:

Normal lab values for children

A member asked:

Why do normal values vary so much between lab sites?

A member asked:

What are normal lab values post hemithyroidectomy?

A member asked:

My pro bnp is 227. lab values are 0 -138 are normal. how serious is this still elevated number? it has been steadily falling from 8000 on 3/13/13.

A member asked:

I recently got my labs back and i noticed all my other lab values were within the normal range, my monocytes were 17.3%. what does this mean, should i be concerned?

A member asked:

What does abnormal protein band 1, ser/plas, band 2 and band 3 mean on labs. it doesn't give values. all other labs are normal.

A member asked:

I have had some lab work to find out my troponin levels and they were .13 and the other one is .18 is this normal or are these values high?

A member asked:

Is high sensitivity troponin value of 5 then 2 hours later is 6, is it considered normal finding? there lab reference, says above 18 is high?

A member asked:

My free t4 test test reads 0.61 ng/dl with the normal value for the lab being 0.8-1.7. shouldnt i be treated?

A member asked:

Do healthy individuals have some (within normal range as per laboratory) beta 2 microglobulin in their blood?or is any value, even if w/in range, bad? normal range per lab is <2.52 and my value was 1.74.

A member asked:

Why ldh normal range changes dramatically with vitros test? (normal range: 313-618 u/l); my result was ok: 442. is vitros test using a different methodology and acceptance values? lab and doc showed me the vitros instructions and confirmed its all ok

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