Do NOT use gel tubes for this analysis
Chilled (2 - 8 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)
5 mL Plasma or Serum is sufficient for both the sulphasalazine and sulphapryridine assay.
Maximum levels of sulphasalazine are reached in 3-5 hours following an oral dose.
The plasma level of unmetabolised sulphasalazine does not correlate with therapy but rather serves to establish compliance, particularly in the presence of a therapeutic level of sulphapyridine, since a patient not complying with the prescribed treatment regimen but taking medication just prior to testing will have a measurable sulphasalazine concentration but a low sulphapyridine concentration.
$447.68 (Exclusive of GST)
A sulphapyridine assay is included with this test.
Urgent testing by arrangement
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