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Methotrexate, Serum
Test CodeMTHO
Alias/See Also
Serum Methotrexate
CPT Codes
83520
Preferred Specimen
Draw blood in a plain, red-top tube. (Serum gel tube is not acceptable.) Spin specimen down and send 1 mL of serum. Protect specimen from light.
Transport Temperature
Ambient
Methodology
Immunoassay
Note: Refer to Therapeutic Drug Monitoring (TDM) Recommended Collection Times for Peak/Trough Levels located in General Information.
Setup Schedule
Monday through Sunday
Reference Range
<0.1 µmol/L
Performed By
North Mississippi Medical Center Pathology Department
Performing Laboratory
NMMC Pathology Department