PROPRIETARY INFORMATION
CONFIDENTIAL MATERIAL
Assays/Reagents
Not for Customer Distribution
82
AEROSET
®
System Troubleshooting Guide
94816-107—November 2004
Sample Interference Indices
The Sample Interference Indices Protocol is available on the
AEROSET Assay Disk, Assays > 50 (LN 2K15 and 2K16). This
feature allows semi-quantitative or qualitative estimates (index
values) for the presence of hemolysis, icterus, or lipemia
(turbidity) in serum or plasma samples.
The AEROSET System uses specific wavelength combinations
to measure absorbance of hemolysis, icterus, and lipemia. The
absorbance data are converted to semi-quantitative values
according to the specific formulas defined in the assay
parameters. The operator can choose between
semi-quantitative (
i.e.
, Index units) or qualitative (0, 1+, 2+,
3+, 4+) results format.
To estimate hemolysis, icterus, and lipemia on a sample, a
reference photometric assay file must be configured. To
configure this file, the operator must define which reagent
(saline, ALT, or AST) to use for the analysis.
Package inserts are available for both the Saline and the
ALT/AST Protocols to run the Sample Interference Indices.
Sample Interference Indices are used to observe the color of a
sample that is due to hemolysis, icterus, and lipemia. The
indices measurement is performed on each sample, not each
assay.
Sample Interference Indices report the presence of hemolysis,
icterus, and lipemia. These values are not used to correct
results, but to indicate when assay results should be evaluated.
To correct results for interferences, the Self or Non-Self Blank
options are used.
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