Pathology Handbook

PLEASE NOTE: Recent changes have been made to this Test

Recent changes for Methotrexate (Sendaway Test)

Recent changes for Methotrexate (Sendaway Test)
Date	Field	Changed From	Changed To
4th April 2024	Preferred Container Type	SST	SST (protect from light – wrap in foil)

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 (protect from light – wrap in foil)
Lithium Heparin (with Gel)

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

On weekends/public holidays, MTR samples must be sent to the Alfred via taxi.

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.

USEFUL LINKS

Frozen Section Booking Form

Pathology Handbook

PLEASE NOTE: Recent changes have been made to this Test

Preferred Container Type

Methotrexate (Sendaway Test)