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HelpTest Code METHO Methotrexate
Additional Codes
Epic EAP: LAB481
Epic Description: METHOTREXATE LEVEL
Synonym
MTX
Specimen Type
Blood
Specimen Required
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Green, Lithium Heparin with Inert Gel |
4.5 mL | 1.0 mL |
| Alternate | Gold, Clot Activator with Inert Gel OR Red, No Anticoagulant, No gel | 4.5 mL | 1.0 mL |
| Preferred Micropuncture | Green Micro, Lithium Heparin with Inert Gel | 2 X 0.6 mL | 1 X 0.6 mL |
| Alternate Micropuncture | Gold Micro, Clot Activator with Inert Gel | 2 X 0.6 mL | 1 X 0.6 mL |
Instructions for Collection and Transport
Centrifuge specimen. For non-gel tubes, aliquot serum into plastic vial. Transport refrigerated on freeze packs. Refrigerate if holding overnight.
Aliquot Requirements
Plasma or Serum
Optimum 3.0 mL
Minimum 0.75 mL
Performing Lab
Automated Chemistry Lab
Assay Frequency
24/7
Routine Turnaround Time
3 hours
CSR Storage Requirements
Centrifuge specimen. For non-gel tubes, aliquot serum into plastic vial. Transport to laboratory.
CPT Code Information
80299