VETSCAN SA USER’S MANUAL
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1.2 SOFTWARE
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Post-analytical evaluation
Dilutions are sometimes necessary on the VETSCAN SA when there are excess amounts of
sediment elements that may be overlapping, such as red blood cells.
When this situation is encountered, the VETSCAN SA will not provide quantitative or semi-
quantitative results and a
‘TNTC – Dilute and Retest’
message will be provided to the user.
When ‘TNTC – Dilute and Retest’ message appears, review the 96 images provided to
determine next appropriate steps
Image provides clinical insight
Image provides
minimal to no
clinical insight
It is
not recommended
to perform a dilution prior to initial evaluation with the VETSCAN SA, as
this could result in missing pathology that is present.
1
Bacteriuria and pyuria
present in sample
No dilution required
Calcium oxalate dihydrate
crystals present in sample
No dilution required
Moderately dense sample
due to hematuria; formed
elements may be hidden
Dilution required
Extremely dense sample due
to hematuria; unable to identify
additional formed elements due
to overlapping cells
Dilution required
1.
Zoetis Data on File. Study No. TI-04858