Can Psa Results Vary Between Labs. And as a result the psa results stated can vary up to 20 on the same blood sample - due only to those 2 different standards and thats why I think its another reason why people are recommended to use the same lab - assuming of course a given lab uses just one manufacturer equipmentcalibration standard for doing the psa testing. I understand that comparisons are only valid between results from the same lab.
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A number of factors are known to affect to varying degrees your PSA levels. And as a result the psa results stated can vary up to 20 on the same blood sample - due only to those 2 different standards and thats why I think its another reason why people are recommended to use the same lab - assuming of course a given lab uses just one manufacturer equipmentcalibration standard for doing the psa testing. These types of PSA elevations are usually not enough to make a significant.
PSA levels on average rise as men get older possibly because the prostate leaks more PSA into the bloodstream.
A number of factors are known to affect to varying degrees your PSA levels. The local oncology lab has a Creatinine high range of 14 while the lab of a Myeloma specialist has a high level of 11. It is a question of what PSA assay was used and the way that the assay was designed to recognize PSA and what calibration standard is being used. 31 of men with PSA levels between 4 10 ngml have shown to develop prostate cancer.
