Running a "blank" test might solve the problem.
--- "dr. C.H.H. Schoenmakers"
<[log in to unmask]> wrote: > Dear
colleague,
>
> In our experience, based on Hitachi 911 with Roche
> reagents and
> Beckman LX20, interferences are not always linear.
> Therefore it
> might be interesting to find out if dilution with
> 0.9% NaCl can
> reduce the interference to acceptable levels.
>
> We use the index-test on the LX20 to quantify the
> extent of
> hemolysis. Whenever our LX20 hemolytic index is 3 or
> greater we
> dilute 3-fold with 0.9% NaCl and analyse (and of
> course multiply
> the [bilirubin] with 3). It is obvious that this is
> only valid if the diluted
> sample has a hemolytic index smaller than 3. The
> dilution-factor of
> 3 is based on the ratio of analytical imprecision
> and intra-individual
> imprecision.
>
> Best regards,
>
>
> Christian
> dr. C.H.H. Schoenmakers, European Clinical Chemist
> Department of Clinical Chemistry, Elkerliek Hospital
> P.O. box 98, 5700 AB Helmond
> The Netherlands
> (+)31-492-595555 (tel), (+)31-492-595691 (fax)
> [log in to unmask]
>
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