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Methotrexate (Sendaway Test)

Laboratory:Clinical Biochemistry
Test Code:MTR
Medicare rebatable:Yes
Registration Instructions:

Specimen needs to be prioritised by ensuring that it is processed immediately and dispatched the same day in a red specimen bag with an urgent sticker attached.

Specimen Types:Serum
Plasma
Container Types:
SST
Lithium Heparin (with Gel)
SST
Adults Volume or Mass:6 mL
Collection & Request Instructions:

Sampling Time is dependent on dose, duration of infusion and clinical status of patient. Protect from light.

 

Transport Instructions:Room Temperature
Processing Instructions:Centrifuge

Protect from light

Assay Frequency:Daily
External Laboratory:The Alfred Pathology Service (APS)
  External Laboratory details...
External Transport Instructions:Send at 4'C with Ice Pack
Additional Notes:

Method is Abbott Architect Methotrexate Immunoassay , Units umol/L.

Note: Method changed from Abbott TDx/Flx on 6/5/2015

Desirable level depends on clinical situation - consult treating Clinician.