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Test Code METHOTREXATE METHOTREXATE

Department

Chemistry

Specimen Type

Serum or Plasma

Method

Homogeneous Enzyme Immunoassay

Container

No additive with gel (gold top), Lithium Heparin (green top)

Standard Volume

4.5ml

Minimum Volume

1ml

Pediatric Volume

0.8ml

Ship Temperature

Room Temperature

Stability Refrigerated

Up to 72 hours unprotected from light. 

14 days if protected from light

Stability Room Temp

8 hours

Stability Frozen

28 days if protected from light.

Days Test Set Up

Monday through Sunday

Group Components

METHOTREXATE