METHOTREXATE

Synonyms:
Computer Code: MTRX
Specimen Collection: 3 mL blood (red top tube only).
Minimum Volume: 0.5 mL
Handling Instructions for Offsite Areas: Allow to clot, centrifuge for 20 minutes, remove serum, refrigerate.
Reference Values: Contact pharmacy for methotrexate, levcovorin and glucarpidase dosing protocols and interpretation.
Lab Code: CC
Requisition: TOXI
Test Frequency: Daily
Routine TAT: 2 hrs
Stat TAT: 60 min
CPT Code(s): 80299
LCD or NCD:
Methodology Used:
See Addendum XVII