Laboratory Test Detail

Last Updated: March 21, 2019 @ 9:13 am

91164

Methotrexate

Specimen:Collect:
  • One Red Top

Also Acceptable:
  • One Gray Top
  • One Green Top (Na Heparin)
  • One Lavender (EDTA)
  • One Pink Top (EDTA)
Submit:
  • 3 mL (Min:1 mL) Serum . Submit Frozen. Submit in a Standard Transport Tube.

Also Acceptable:
  • 3 mL (Min:1 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling:
  • Protect from Light
  • Separate aliquot required for each frozen test ordered
  • Separate from cells within 2 hours of collection
  • Protect from light during collection, storage, and shipment.
Rejection Criteria:
  • Use of separator tubes
Stability:Ambient: 4 Hour(s); Refrigerated: 2 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable
Methodology:
  • Quantitative Immunoassay
Performed:Sun-Sat
Reported:1-2 Day(s)
CPT Codes:
  • 80299
Components:
  • 91164 - METHOTREXATE
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