Skip Ribbon Commands
Skip to main content
Menu

METHOTREXATE, SERUM

Synonym(s):

Lab Section Category

Description

Indications

Specimen Required

​3 mL plain blood

Storage and Transport

Method

​Immunoassay

Test Results

Reference Interval / Value

​Therapeutic levels vary with specific treatment protocols and/or guidelines.
From literature review, the following values are predictive for the development of toxicity after high-dose therapy:
Methotrexate >5-10 µmol/L 24 hours after dose
Methotrexate >1.0 µmol/L 48 hours after dose
Methotrexate >0.1 µmol/L 72 hours after dose
Please correlate clinically.

Turnaround Time

​Mean = 4 hrs, Range 3 – 5 hrs

Day(s) Test Set up

​Daily

Remarks

Change History Notes

  • 10 Feb 2017 11:45 AM

    Reference values have been last updated on 10 Feb 2017.

Others

TOP