Samples required 24h & 48h post high dose.
Specimens collected from patients who have received glucarpidase (carboxypeptidase G2) as a high dose methotrexate rescue therapy should not be tested for at least 48hrs following the last dose of glucarpidase. These specimens have increased concentrations of DAMPA, a methotrexate metabolite which is known to cross-react with the methotrexate antibody used in this assay.
Please include:
Dose of methotrexate
Date of dose
Time of dose
Number of hrs since administration.
Additional information on methotrexate and its clinical use can be found here: methotrexate.
This analysis is not performed by this Laboratory. For local users of these laboratory services, please send your sample to the laboratory and it will be sent to a reference laboratory for analysis.
Assays for Methotrexate
are sent
here.
| ICE requesting info: | ICE panel name | ICE page name | Column | Comment\Advice |
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Chem / Haem |
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