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Test Code MX Methotrexate, Serum

Specimen Requirements

Specimen must arrive within 24 hours of draw.

 

Container/Tube: Gold-top serum gel tube

Specimen Volume: 0.5 mL of serum

Transport Temperature: Refrigerate

Collection Instructions: Protect specimen from light. Forward promptly.

Performing Laboratory

Munson Medical Center Laboratories

Methodology

Homogenious enzyme immunoassay

Reference Values

None, dependent on dose, duration of infusion, and clinical status of the patient

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83520