Description
methotrexate assay
Also known as
MTX
Additional information
State number of hours post start of methotrexate infusion. Samples must arrive by 14:00 Mon-Fri and by 11:00 at weekends and bank holidays. External requests must use the Great Ormond Street methotrexate request form. This assay is unsuitable for patient�s who are on glucarpidase rescue treatment.
Please contact the laboratory to arrange an alternative assay.
Sending address
Department of Haematology
Camelia Botnar Laboratories
Great Ormond Street Hospital
Great Ormond Street
WC1N 3JH
Laboratory service
Haematology
Sample requirements
1ml venous or capillary blood, EDTA or serum
Turnaround time
24 hours
Cost
Upon request
Call in advance?
Please contact the laboratory to arrange the test in advance, if sending out of hours or at weekends. Samples must be booked with the laboratory on Friday if required at the weekend or during a bank holidays. External requests must use the Great Ormond Street methotrexate request form. If the patient is on glucarpidase rescue treatment. Please contact the laboratory before taking the sample.