Specimen Requirements
Title
METHOTREXATE
Specimen Requirement
Draw blood in a PLAIN RED-TOP tube. Spin, separate and send 3.0 mL serum (1.0 mL mininum) frozen in an AMBER screw-capped plastic vial. PROTECT FROM LIGHT
Indicate “serum/red top” on transport tube; contact lab for dry ice. Once ice is received ship frozen sample.
Methodology
Stability
Frozen 6 months
Reference Range
By Report*
Turnaround
1 day -- Performed Sun-Sat
Clinical Use
Test Code
MTXM